TI-2023-01253 Aliases CVE-2023-1326 GHSA-qgrc-7333-5cgx

local privilege escalation in apport-cli

LOW 38CWE-269Published 2023-04-13 · Updated 2025-02-07

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00882 59th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Canonical	Apport	up to 2.26.0	—	No fix listed	CNA

Apport VendorCanonical Affected up to 2.26.0 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:a:canonical:apport::::::::	up to 2.26.0	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	18.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::	20.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:22.04::::lts:::	22.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:22.10::::-:::	22.10	Vulnerable	Canonical

cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:* Versions up to 2.26.0 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* Versions 22.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:* Versions 22.10 Vulnerable ·Canonical

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-1326
2026-10-03 Alias added: GHSA-qgrc-7333-5cgx

References

Patch 1

https://github.com/canonical/apport/commit/e5f78cc89f1f5888b6a56b785dddcb0364c48ecb

Advisory 1

https://ubuntu.com/security/notices/USN-6018-1

TI-2025-04530 Race Condition in Canonical Apport CVSS 3.1MEDIUM 4.7
TI-2020-09600 gdbus setgid privilege escalation CVSS 3.1LOW 3.1
TI-2025-04908 Ubuntu Apport Insecure File Permissions Vulnerability CVSS 4.0LOW 1.9
TI-2022-11298 Users can consume unlimited disk space in /var/crash CVSS 3.1HIGH 7.5
TI-2021-07816 apport can be stalled by reading a FIFO CVSS 3.1HIGH 8.8
TI-2021-07815 apport improperly parses /proc/pid/stat CVSS 3.1HIGH 8.8

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences