Aug 25, 2021 · 一、漏洞概述近日，Atlassian官方发布了ConfluenceServerWebworkOGNL注入漏洞（CVE-2021-26084）的安全公告，远程攻击者在经过身份验证或在特定环境下未经身份验证的情况下，可构造OGNL表达式进行注入，实现在 Confluence Server或Data Center上执行任意代码，CVSS评分为9.8。 Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086. 部分 API请求 不需要登录即可访问获取信息，例如 /user/list ","renderedFileInfo":null,"tabSize":8,"topBannersInfo ... . 其中登录接口中 Password为接口中存在的账号密码，可以直接发送请求获取Cookie Sep 15, 2021 · The vulnerability is an Object-Graph Navigation Language (OGNL) injection in one of Confluence’s “Velocity” (templating engine) templates that could be triggered by accessing “/pages/createpage-entervariables.action” and potentially other URLs as well. Some proof-of-concept (PoC) exploits and our data suggest additional URLs, although ... Access logs show anonymous hits on /pages/doenterpagevariables.action: confluence.example.com.au:443 103.27.186.177 - - [02/Sep/2021:11:54:44 +1000] "POST /pages/doenterpagevariables.action HTTP/1.1" 500 78835 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36" 195908/pages/createpage-entervariables.action POST /pages/createpage-entervariables.action HTTP/1.1 Host: 127.0.0.1:8090 Accept-Encoding: gzip, deflate Accept: ` Accept-Language: en User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Connection: close Content-Type: application ...","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ...Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 漏洞描述 Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。 Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 漏洞描述 Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。. 可以获取账号密码信息，一路点击右下角的继续将会跳转修改管理员账号密码页面，修改后登录即可获取后台权限本文主要讲述了在复现以及分析CVE-2021-26084过程的遇到的一些疑惑。. 其次，本文对该漏洞进行了一个相对完整的漏洞链的分析。. 由于笔者初次分析Confluence的漏洞，难免有所不足，恳请各位看官老爷斧正。. Confluence是一个团队协作软件，用于知识分享 (WIKI)和 ...Sep 2, 2021 · See new Tweets. Conversation On August 25, 2021, Atlassian released a security advisory for their Confluence Server and Data Center.The advisory highlighted an Object-Graph Navigation Language (OGNL) injection that would result in an unauthenticated attacker being able to execute arbitrary code.. 部分 API请求 不需要登录即可访问获取信息，例如 /user/list ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ...The following is a sample action entry for the doenterpagevariables action: In the above example, the doEnter() method of the com.atlassian.confluence.pages.actions.PageVariablesAction class handles requests to doenterpagevariables.action and will return values such as "success", "input";, or "error".漏洞复现 . 登录页面如下 . 出现漏洞的文件为 get_luser_by_sshport.php为了理清整个输入的处理过程，需要从上游开始分析，如图7所示，左侧可以发现此处要进入WebWork的对 doenterpagevariables action进行处理。 图7 跟进处理函数，来到 Velocity 模板处理类，如图8所示，首先会通过 getTemplate 加载finalLocation指定的模板，然后通过处理context ...","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ...Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086. 我们注意看这几个位置，这里首先定义了一个方法数组, 然后再通过判断调用的方法是否存在这个数组里来定义 request_mode参数的值 La vulnerabilidad es una inyección de Object-Graph Navigation Language (OGNL) en una de las plantillas "Velocity" (motor de plantillas) de Confluence que se podría activar mediante el acceso a "/pages/createpage-entervariables.action" y posiblemente a otras URL también. Algunos exploits de pruebas de concepto (PoC) y nuestros datos sugieren ...Sep 2, 2021 · IP Abuse Reports for 213.152.165.29: This IP address has been reported a total of 1 time from 1 distinct source. It was most recently reported 1 year ago . Old Reports: The most recent abuse report for this IP address is from 1 year ago . It is possible that this IP is no longer involved in abusive activities. Reporter. Date. Jul 4, 2011 · #Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 # 漏洞描述 Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。 /webservice/get_usedspace.php?site_id=-1159 UNION ALL SELECT CONCAT(0x76756c6e,0x76756c6e,0x76756c6e)--#Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 # 漏洞描述 Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086 Remote attacker in authenticated or in certain circumstances without authentication, by constructing a malicious data OGNL expressions injection attacks to RCE. Affected version: Confluence Server & Confluence Data Center < 6.13.23 Confluence Server & Confluence Data Center < 7.11.6 Confluence Server & Confluence Data Center < 7.12.5 Confluence .../egroupware/phpgwapi/js/fckeditor/editor/dialog/fck_spellerpages/spellerpages/server-scripts/spellchecker.php?spellchecker_lang=egroupware_spellchecker_cmd_exec.nasl ... ; 注意参数 node 中的 cu01 需要为shell集群中的存在主机 . 这里可以配合任意用户登录漏洞查看主机名 Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086 {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs-base/docs/webapp":{"items":[{"name":"images","path":"docs-base/docs/webapp/images","contentType":"directory ...Sep 18, 2021 · 本文主要讲述了在复现以及分析CVE-2021-26084过程的遇到的一些疑惑。. 其次，本文对该漏洞进行了一个相对完整的漏洞链的分析。. 由于笔者初次分析Confluence的漏洞，难免有所不足，恳请各位看官老爷斧正。. Confluence是一个团队协作软件，用于知识分享 (WIKI)和 ... ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ... In the form, we see the doenterpagevariables.action action in <form> tag. Try to visit the /pages/doenterpagevariables.action URL: The .vm file extension. When we see something new that we probably haven’t hearded of it before, we should read the doc and find out what it is. I love to read the doc and learn about new thing, that’s one of my ...0x02 wiki. 设置代理. 上传frp到windows上 frps.iniAtlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086文章目录1. confluence路径穿越与命令之执行 (CVE-2019-3396)1.1 利用2. Confluence OGNL表达式注入代码执行漏洞（CVE-2021-26084）2.1 利用参考文章1. confluence路径穿越与命令之执行 (CVE-2019-3396)影响版本：6.14.2版本前通过该漏洞，攻击者可以读取任意文件，或利用Velocity模板注入执行任意命令。 漏洞复现 . 登录页面如下 . 出现漏洞的文件为 get_luser_by_sshport.php Dec 2, 2021 · 文章目录1. confluence路径穿越与命令之执行 (CVE-2019-3396)1.1 利用2. Confluence OGNL表达式注入代码执行漏洞（CVE-2021-26084）2.1 利用参考文章1. confluence路径穿越与命令之执行 (CVE-2019-3396)影响版本：6.14.2版本前通过该漏洞，攻击者可以读取任意文件，或利用Velocity模板注入执行任意命令。 Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086IP Abuse Reports for 45.146.164.50: . This IP address has been reported a total of 311 times from 73 distinct sources. 45.146.164.50 was first reported on May 16th 2021, and the most recent report was 1 year ago.Jul 13, 2022 · IP Abuse Reports for 198.50.168.185: . This IP address has been reported a total of 22 times from 17 distinct sources. 198.50.168.185 was first reported on June 9th 2021, and the most recent report was 1 week ago. Dec 1, 2022 · 1./pages/doenterpagevariables.action该接口不需要登录； 2.queryString和linkCreation，这两个参数可以利用来输入恶意的ongl表达式，能够成功解析，从而执行命令，需要POST请求。 调试. 对于OGNL表达式注入，我们直接来找xwork相关的jar包，反编译在java中寻找getValue()函数。 ; 注意参数 node 中的 cu01 需要为shell集群中的存在主机 . 这里可以配合任意用户登录漏洞查看主机名Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086 Sep 2, 2021 · IP Abuse Reports for 213.152.165.29: This IP address has been reported a total of 1 time from 1 distinct source. It was most recently reported 1 year ago . Old Reports: The most recent abuse report for this IP address is from 1 year ago . It is possible that this IP is no longer involved in abusive activities. Reporter. Date. 漏洞复现 . 登录页面 . 存在漏洞的页面为 down.php ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ... ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ... A vulnerabilidade é uma injeção de OGNL (Object-Graph Navigation Language) em um dos modelos "Velocity" (mecanismo de modelagem) do Confluence que pode ser acionado acessando "/pages/createpage-entervariables.action" e possivelmente outros URLs também. Algumas explorações de prova de conceito (PoC) e nossos dados sugerem URLs adicionais ...The vulnerability is an Object-Graph Navigation Language (OGNL) injection in one of Confluence’s “Velocity” (templating engine) templates that could be triggered by accessing “/pages/createpage-entervariables.action” and potentially other URLs as well.Looking over some of our honeypot logs today, I noticed one IP address, 60.223.74.99, scanning for several older Confluence vulnerabilities. Confluence is the collaboration component of Atlassian's suite of developer tools [1]. ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ... Sep 8, 2021 · On August 25, 2021, Atlassian released a security advisory for their Confluence Server and Data Center.The advisory highlighted an Object-Graph Navigation Language (OGNL) injection that would result in an unauthenticated attacker being able to execute arbitrary code. 漏洞复现 . 登录页面 . 存在漏洞的页面为 down.php ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ...Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086See new Tweets. ConversationThis IP address has been reported a total of 266 times from 25 distinct sources. 194.145.227.21 was first reported on February 16th 2021, and the most recent report was 3 months ago . Old Reports: The most recent abuse report for this IP address is from 3 months ago. It is possible that this IP is no longer involved in abusive activities. ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ... . 部分 API请求 不需要登录即可访问获取信息，例如 /user/list ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ... Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086Sep 9, 2021 · Then you must be exec your attack command: POST /pages/doenterpagevariables.action HTTP/1.1 Host: yourtar Accept-Encoding: gzip, deflate Accept: ... Remote attacker in authenticated or in certain circumstances without authentication, by constructing a malicious data OGNL expressions injection attacks to RCE. Affected version: Confluence Server & Confluence Data Center < 6.13.23 Confluence Server & Confluence Data Center < 7.11.6 Confluence Server & Confluence Data Center < 7.12.5 Confluence ...The following is a sample action entry for the doenterpagevariables action: In the above example, the doEnter() method of the “com.atlassian.confluence.pages.actions.PageVariablesAction” class handles requests to “doenterpagevariables.action” and will return values such as “success”, “input”, or “error”, resulting in the ... 漏洞复现 . 登录页面 . 存在漏洞的页面为 down.php ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ... 1./pages/doenterpagevariables.action该接口不需要登录； 2.queryString和linkCreation，这两个参数可以利用来输入恶意的ongl表达式，能够成功解析，从而执行命令，需要POST请求。 调试. 对于OGNL表达式注入，我们直接来找xwork相关的jar包，反编译在java中寻找getValue()函数。Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 漏洞描述 . Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。 漏洞影响Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086POST /webadm/?q=moni_detail.do&action=gragh HTTP/1.1 Host: xxx.xxx.xxx.xxx Content-Length: 39 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Content-Type ...Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086 {"payload":{"allShortcutsEnabled":false,"fileTree":{"docs-base/docs/webapp":{"items":[{"name":"images","path":"docs-base/docs/webapp/images","contentType":"directory ...Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 漏洞描述 Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。 漏洞复现 . 登录页面 . 首先查看路由位置 main.go 文件 中的 file 接口对应的函数 {"payload":{"allShortcutsEnabled":false,"fileTree":{"Web应用漏洞":{"items":[{"name":"images","path":"Web应用漏洞/images","contentType":"directory"},{"name ...为了理清整个输入的处理过程，需要从上游开始分析，如图7所示，左侧可以发现此处要进入WebWork的对 doenterpagevariables action进行处理。 图7 跟进处理函数，来到 Velocity 模板处理类，如图8所示，首先会通过 getTemplate 加载finalLocation指定的模板，然后通过处理context ...A vulnerabilidade é uma injeção de OGNL (Object-Graph Navigation Language) em um dos modelos "Velocity" (mecanismo de modelagem) do Confluence que pode ser acionado acessando "/pages/createpage-entervariables.action" e possivelmente outros URLs também. Algumas explorações de prova de conceito (PoC) e nossos dados sugerem URLs adicionais ...The following is a sample action entry for the doenterpagevariables action: In the above example, the doEnter() method of the “com.atlassian.confluence.pages.actions.PageVariablesAction” class handles requests to “doenterpagevariables.action” and will return values such as “success”, “input”, or “error”, resulting in the ... ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ... 为了方便之后的操作，我们将shell转到CS上操作: 翻一下桌面找到flag: 本机信息收集，在C盘根目录下看到了服务器安装了Navicat,猜测Navicat里可能保存了数据库的账号和密码。. Navicat 中保存的所有连接账密，都是直接存到对应注册表项值下的。. 各个数据库连接账密 ...
Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086. Xztw
为了方便之后的操作，我们将shell转到CS上操作: 翻一下桌面找到flag: 本机信息收集，在C盘根目录下看到了服务器安装了Navicat,猜测Navicat里可能保存了数据库的账号和密码。. Navicat 中保存的所有连接账密，都是直接存到对应注册表项值下的。. 各个数据库连接账密 ...Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086Action 条目中可能包含一个 method属性，允许撤销指定Java类的特定方法。如命令未指定，则调用action类的 doDefault() 方法。如下是 doenterpagevariables action 的action 条目样例：Jul 4, 2011 · #Atlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 # 漏洞描述 Atlassian Confluence 存在远程代码执行漏洞，攻击者在无需认证，即可构造恶意请求，造成OGNL表达式注入，从而执行任意代码，控制服务器。 ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo":{"overridingGlobalFundingFile":false,"globalPreferredFundingPath":null,"repoOwner ... Looking over some of our honeypot logs today, I noticed one IP address, 60.223.74.99, scanning for several older Confluence vulnerabilities. Confluence is the collaboration component of Atlassian's suite of developer tools [1].漏洞复现 . 登录页面 . 存在漏洞的页面为 down.php ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ...Sep 9, 2021 · Remote attacker in authenticated or in certain circumstances without authentication, by constructing a malicious data OGNL expressions injection attacks to RCE. Affected version: Confluence Server & Confluence Data Center < 6.13.23 Confluence Server & Confluence Data Center < 7.11.6 Confluence Server & Confluence Data Center < 7.12.5 Confluence ... 0x02 wiki. 设置代理. 上传frp到windows上 frps.ini. 部分 API请求 不需要登录即可访问获取信息，例如 /user/list ","renderedFileInfo":null,"shortPath":null,"tabSize":8,"topBannersInfo ...IP Abuse Reports for 45.146.164.50: . This IP address has been reported a total of 311 times from 73 distinct sources. 45.146.164.50 was first reported on May 16th 2021, and the most recent report was 1 year ago. See new Tweets. ConversationAtlassian Confluence doenterpagevariables.action 远程命令执行漏洞 CVE-2021-26084 Atlassian Confluence preview SSTI模版注入漏洞 CVE-2019-3396 AtlassianJira AtlassianJira Atlassian Jira ViewUserHover.jspa 用户信息泄露漏洞 CVE-2020-14181 Atlassian Jira cfx 任意文件读取漏洞 CVE-2021-26086 Sep 15, 2021 · The vulnerability is an Object-Graph Navigation Language (OGNL) injection in one of Confluence’s “Velocity” (templating engine) templates that could be triggered by accessing “/pages/createpage-entervariables.action” and potentially other URLs as well. Some proof-of-concept (PoC) exploits and our data suggest additional URLs, although ... .