Vigil@nce - libsolv: out-of-bounds memory reading via repodata_schema2id
January 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: RHEL.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 04/11/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
repodata_schema2id() of libsolv, in order to trigger a denial of
service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/libsolv-out-of-bounds-memory-reading-via-repodata-schema2id-33799