CVE-2023-26479— XWiki Platform 安全漏洞
一分钟漏洞结论
影响对象
xwiki xwiki-platform
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
XWiki Platform是法国XWiki公司的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform存在安全漏洞，该漏洞源于具有写入权限的用户可以插入格式正确但解析器无法正确处理的内容，攻击者利用该漏洞可以触发堆栈溢出。
可能的 ATT&CK 技术 1 AI
T1565.001 · Stored Data Manipulation
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一、 漏洞 CVE-2023-26479 基础信息
漏洞信息
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Vulnerability Title
org.xwiki.platform:xwiki-platform-rendering-parser vulnerable to Improper Handling of Exceptional Conditions
来源: CVE Program / CVE List V5
Vulnerability Description
XWiki Platform is a generic wiki platform. Starting in version 6.0, users with write rights can insert well-formed content that is not handled well by the parser. As a consequence, some pages becomes unusable, including the user index (if the page containing the faulty content is a user page) and the page index.
Note that on the page, the normal UI is completely missing and it is not possible to open the editor directly to revert the change as the stack overflow is already triggered while getting the title of the document. This means that it is quite difficult to remove this content once inserted.
This has been patched in XWiki 13.10.10, 14.4.6, and 14.9-rc-1. A temporary workaround to avoid Stack Overflow errors is to increase the memory allocated to the stack by using the `-Xss` JVM parameter (e.g., `-Xss32m`). This should allow the parser to pass and to fix the faulty content. The consequences for other aspects of the system (e.g., performance) are unknown, and this workaround should be only be used as a temporary solution. The workaround does not prevent the issue occurring again with other content. Consequently, it is strongly advised to upgrade to a version where the issue has been patched.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
XWiki Platform 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
XWiki Platform是法国XWiki公司的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform存在安全漏洞，该漏洞源于具有写入权限的用户可以插入格式正确但解析器无法正确处理的内容，攻击者利用该漏洞可以触发堆栈溢出。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| xwiki | xwiki-platform | >= 6.0, < 13.10.10 | - |
|
二、漏洞 CVE-2023-26479 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2023-26479 补丁与修复 (1)
CVE-2023-26479 厂商安全公告 (1)
-
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-52vf-hvv3-98h7 x_refsource_CONFIRM
CVE-2023-26479 其他参考 (1)
-
https://jira.xwiki.org/browse/XWIKI-19838 x_refsource_MISC
同批安全公告 · xwiki · 2023-03-02 · 共 13 条
| CVE-2023-26055 | 10.0 CRITICAL | XWiki Commons 安全漏洞 |
| CVE-2023-26471 | 10.0 CRITICAL | XWiki Platform 安全漏洞 |
| CVE-2023-26472 | 10.0 CRITICAL | XWiki Platform 安全漏洞 |
| CVE-2023-26474 | 10.0 CRITICAL | XWiki Platform 访问控制错误漏洞 |
| CVE-2023-26475 | 10.0 CRITICAL | XWiki Platform 安全漏洞 |
| CVE-2023-26477 | 10.0 CRITICAL | XWiki Platform 代码注入漏洞 |
| CVE-2023-26480 | 8.9 HIGH | XWiki Platform 跨站脚本漏洞 |
| CVE-2023-26476 | 7.5 HIGH | XWiki Platform 安全漏洞 |
| CVE-2023-26478 | 6.6 MEDIUM | XWiki Platform 安全漏洞 |
| CVE-2023-26473 | 6.5 MEDIUM | XWiki Platform 安全漏洞 |
| CVE-2023-26470 | 5.7 MEDIUM | XWiki Platform 缓冲区错误漏洞 |
| CVE-2023-26056 | 5.4 MEDIUM | XWiki Platform 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2023-26479
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