CVE-2021-39667 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 40.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform External LibavcGoogle Android
Timeline
PublishedMar 16
Latest updateMar 17

Description

In ih264d_parse_decode_slice of ih264d_parse_slice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-205702093

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5google/androidAndroid-10 Android-11 Android-12
▶NVDgoogle/android10.0, 11.0, 12.0+2
▶Androidplatform/external_libavc10:0 — 10:2022-03-01+3

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-7qc3-w7g5-wxwm: In ih264d_parse_decode_slice of ih264d_parse_slice↗2022-03-17
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CVEList
CVE-2021-39667: In ih264d_parse_decode_slice of ih264d_parse_slice↗2022-03-16
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OSV
CVE-2021-39667: In ih264d_parse_decode_slice of ih264d_parse_slice↗2022-03-01
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📋Vendor Advisories

1
Android
CVE-2021-39667: Android Security Bulletin 2022-03-01 CVE: CVE-2021-39667 Severity: HIGH Type: ID Affected AOSP versions: 10, 11, 12 References: A-205702093↗2022-03-01
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CVE-2021-39667 — Out-of-bounds Write in Google Android | cvebase