CVE-2023-40128 — Out-of-bounds Write in External Libxml2

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 92.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform External Libxml2Google Android
Timeline
PublishedOct 27

Description

In several functions of xmlregexp.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶Androidplatform/external_libxml211:0 — 11:2023-10-01+3
▶CVEListV5google/android4 versions+3
▶NVDgoogle/android4 versions+3

Patches

Patch: android.googlesource.com ↗Patch: source.android.com ↗Patch: android.googlesource.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-pjgc-q78w-v6ph: In several functions of xmlregexp↗2023-10-27
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OSV
CVE-2023-40128: In several functions of xmlregexp↗2023-10-01
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📋Vendor Advisories

1
Android
CVE-2023-40128: Android Security Bulletin 2023-10-01 CVE: CVE-2023-40128 Severity: HIGH Type: EoP Affected AOSP versions: 11, 12, 12L, 13 References: A-274231102↗2023-10-01
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