Vigil@nce - xcftools: integer overflow via flattenIncrementally
April 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian.
Severity: 2/4.
Consequences: user access/rights, denial of service on service,
denial of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 10/02/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via
flattenIncrementally() of xcftools, in order to trigger a denial
of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/xcftools-integer-overflow-via-flattenIncrementally-34540