CVE-2021-0561
Published: 22 June 2021
In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683
Priority
Status
Package | Release | Status |
---|---|---|
flac Launchpad, Ubuntu, Debian |
jammy |
Released
(1.3.3-2ubuntu0.1)
|
trusty |
Released
(1.3.0-2ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(1.3.4-1, 1.3.4)
|
|
xenial |
Released
(1.3.1-4ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
bionic |
Released
(1.3.2-1ubuntu0.1)
|
|
focal |
Released
(1.3.3-1ubuntu0.1)
|
|
impish |
Ignored
(end of life)
|
|
kinetic |
Not vulnerable
(1.3.4-2)
|
|
Patches: upstream: https://github.com/xiph/flac/commit/e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0561
- https://github.com/xiph/flac/commit/e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be (1.3.4)
- https://xiph.org/flac/changelog.html#flac_1.3.4
- https://android.googlesource.com/platform/external/flac/+/368eb3f5bec249a197c95a95583ff8153aa6a87f
- https://source.android.com/security/bulletin/pixel/2021-06-01
- https://ubuntu.com/security/notices/USN-5733-1
- NVD
- Launchpad
- Debian