News
Vigil@nce - libarchive: use after free via archive_read_format_rar_read_data
December 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-watch-database-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, openSUSE Leap, Solaris, SUSE Linux
Enterprise Desktop, SLES, Ubuntu.
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: 28/10/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via
archive_read_format_rar_read_data() of libarchive, in order to
trigger a denial of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
