Summary
It was discovered that tar incorrectly handled extended attributes in PAX
archives. An attacker could use this issue to cause tar to crash, resulting in a
denial of service.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | tar | 1.30+dfsg-7ubuntu0.20.04.4 |
| Ubuntu · 22.04 LTS 22.04:LTS | tar | 1.34+dfsg-1ubuntu0.1.22.04.2 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | tar | 1.27.1-1ubuntu0.1+esm4 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | tar | 1.28-2.1ubuntu0.2+esm3 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | tar | 1.29b-2ubuntu0.4+esm1 |
Vulnerabilities 1
-
Medium 6.2
In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c.
References
-
report
https://ubuntu.com/security/CVE-2023-39804