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CVE-2022-46340

Quick assessment

Affected
n/a xorg-x11-server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

X.Org X Server是X.org基金会的一款X Window系统显示服务器。 X.Org X Server存在缓冲区错误漏洞，该漏洞源于攻击者通过XTestFakeInput请求发送长度大于32字节的GenericEvents，则XTest扩展的XTestFakeInput请求的交换处理程序可能会破坏堆栈导致X server运行权限的系统上的本地权限提升，并导致ssh X转发会话的远程代码执行。

AI Predicted 7.8 Difficulty: Moderate EPSS 2.59% · P85

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-46340

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. This issue does not affect systems where client and server use the same byte order.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
X.Org X Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
X.Org X Server是X.org基金会的一款X Window系统显示服务器。 X.Org X Server存在缓冲区错误漏洞，该漏洞源于攻击者通过XTestFakeInput请求发送长度大于32字节的GenericEvents，则XTest扩展的XTestFakeInput请求的交换处理程序可能会破坏堆栈导致X server运行权限的系统上的本地权限提升，并导致ssh X转发会话的远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- xorg-x11-server xorg-x11-server-1.20.4 -

II. Public POCs for CVE-2022-46340

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III. Intelligence Information for CVE-2022-46340

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Vendor Advisories for CVE-2022-46340 (4)

Mailing List Discussions for CVE-2022-46340 (4)

Same Patch Batch · n/a · 2022-12-14 · 56 CVEs total

CVE-2022-47411 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47410 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47409 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47408 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47407 6.5 MEDIUM TYPO3 安全漏洞
CVE-2022-47406 5.4 MEDIUM TYPO3 代码问题漏洞
CVE-2022-4495 3.5 LOW collective.dms.basecontent column.py renderCell cross site scripting
CVE-2022-46443 Bangresto SQL注入漏洞
CVE-2022-46074 Helmet Store Showroom Site 跨站请求伪造漏洞
CVE-2022-46344 X.Org X Server 缓冲区错误漏洞
CVE-2022-46609 Python3-RESTfulAPI 安全漏洞
CVE-2022-46124 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46123 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46122 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46121 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46120 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46119 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46118 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46117 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46072 Helmet Store Showroom Site SQL注入漏洞

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: xorg-x11-server
Same vendor: n/a

V. Comments for CVE-2022-46340

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