Vigil@nce - libebml: buffer overflow via EbmlString-ReadData
May 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora.
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: 09/03/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via
EbmlString::ReadData() of libebml, in order to trigger a denial of
service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/libebml-buffer-overflow-via-EbmlString-ReadData-34773