CVE-2023-20821 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
6.7MEDIUMNVD
EPSS
0.0%
top 94.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Google AndroidLinuxfoundation YoctoOpenwrt+1 more
Timeline
PublishedSep 4

Description

In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07937113; Issue ID: ALPS07937113.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages4 packages

▶NVDgoogle/android11.0, 12.0, 13.0+2
▶NVDopenwrt/openwrt19.07.0, 21.02.0+1
▶NVDrdkcentral/rdk-b2022q3

🔴Vulnerability Details

2
GHSA
GHSA-9vcq-gvpp-5xgr: In nvram, there is a possible out of bounds write due to a missing bounds check↗2023-09-04
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CVEList
CVE-2023-20821: In nvram, there is a possible out of bounds write due to a missing bounds check↗2023-09-04
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CVE-2023-20821 — Out-of-bounds Write in Google Android | cvebase