Buffer overflow in CBOR2 - CVE-2024-26134
Published: April 9, 2024
Vulnerability identifier: #VU88219
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-26134
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when parsing CBOR binaries. A remote attacker can pass a specially crafted binary file to the application and perform a denial of service (DoS) attack.
Affected software
CBOR2
Fedora
python-cbor2
Fedora
python-cbor2
How to mitigate CVE-2024-26134
Install updates from vendor's website.
CBOR2 - update to 5.6.2
python-cbor2 - addressed in versions 5.6.2-1.fc38, 5.6.2-1.fc39, 5.6.2-1.fc40, 5.6.2-1.fc41
python-cbor2 - addressed in versions 5.6.2-1.fc38, 5.6.2-1.fc39, 5.6.2-1.fc40, 5.6.2-1.fc41
External References
- https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m
- https://github.com/agronholm/cbor2/pull/204
- https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542
- https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df
- https://github.com/agronholm/cbor2/releases/tag/5.6.2