CVE-2022-20572CWE-862broken-access-control

CVE-2022-20572

Medium · published December 16, 2022

CVSS v3.1
6.7
EPSS
1%
Percentile
50.0
In the wild
Unconfirmed
What it is

In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00639 · 50.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2022-12-16T21:15Z
Affected products (1)
ProductVersionsFixed in
google/androidall versions—
References (3)
https://source.android.com/security/bulletin/pixel/2022-12-01 · [email protected]https://source.android.com/security/bulletin/pixel/2022-12-01 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 16 DEC 00:00Z
    In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check
    cvelistv5