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CVE-2018-15858

Quick assessment

Affected
n/a n/a
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.

xkbcommon是一个键盘键映射编译器和支持库。 xkbcommon 0.8.1之前版本中的xkbcomp/keycodes.c文件的‘ CopyKeyAliasesToKeymap’函数存在安全漏洞，该漏洞源于程序在处理无效别名时未能检查是否使用空指针。本地攻击者可通过提交特制的keymap文件利用该漏洞造成xkbcommon解析器崩溃（空指针逆向引用）。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.43% · P36
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I. Basic Information for CVE-2018-15858

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file.
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
xkbcommon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xkbcommon是一个键盘键映射编译器和支持库。 xkbcommon 0.8.1之前版本中的xkbcomp/keycodes.c文件的‘ CopyKeyAliasesToKeymap’函数存在安全漏洞，该漏洞源于程序在处理无效别名时未能检查是否使用空指针。本地攻击者可通过提交特制的keymap文件利用该漏洞造成xkbcommon解析器崩溃（空指针逆向引用）。
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
- n/a n/a -

II. Public POCs for CVE-2018-15858

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III. Intelligence Information for CVE-2018-15858

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Patches & Fixes for CVE-2018-15858 (1)

Vendor Advisories for CVE-2018-15858 (3)

Mailing List Discussions for CVE-2018-15858 (1)

Same Patch Batch · n/a · 2018-08-25 · 27 CVEs total

CVE-2018-15855 xkbcommon 安全漏洞
CVE-2018-15869 Amazon Web Services CLI 安全漏洞
CVE-2018-15875 D-Link DIR-615 跨站脚本漏洞
CVE-2018-15874 D-Link DIR-615 跨站脚本漏洞
CVE-2018-15871 libming 安全漏洞
CVE-2018-15870 libming 安全漏洞
CVE-2018-15864 xkbcommon 安全漏洞
CVE-2018-15863 xkbcommon 安全漏洞
CVE-2018-15862 xkbcommon 安全漏洞
CVE-2018-15861 xkbcommon 安全漏洞
CVE-2018-15859 xkbcommon 安全漏洞
CVE-2018-15857 xkbcommon 安全漏洞
CVE-2018-15856 xkbcommon 安全漏洞
CVE-2018-15842 WolfCMS 跨站脚本漏洞
CVE-2018-15854 xkbcommon 安全漏洞
CVE-2018-15853 xkbcommon 安全漏洞
CVE-2018-15852 Technicolor TC7200.20 缓冲区错误漏洞
CVE-2018-15851 Flexo CMS 跨站请求伪造漏洞
CVE-2018-15850 REDAXO CMS 跨站请求伪造漏洞
CVE-2018-15849 portfolioCMS 跨站请求伪造漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2018-15858

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