Home/CVE/In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c.
CVE

CVE-2023-39804

In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c.

In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c.

MEDIUM · CVSS 6.2 EPSS 0.00036
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
gnu tar< 1.35
▣

Scoring & Timeline

6.2
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Mar 2024 · 04:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

6
msrcCVE-2023-39804
suse-csafopenSUSE-SU-2024:13751-1
suse-csafSUSE-SU-2024:0071-1
suse-csafSUSE-SU-2024:0070-1
suse-csafSUSE-SU-2024:0070-2
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1058079Mailing List
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=a339f05cd269013fa133d2f148d73f6f7d4247e4Patch
https://git.savannah.gnu.org/cgit/tar.git/tree/src/xheader.c?h=release_1_34#n1723Product
https://lists.debian.org/debian-lts-announce/2024/03/msg00008.html
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