Vigil@nce - GNU Screen: memory corruption via UTF-8 Character Sequence
April 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Consequences: user access/rights, denial of service on client. Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 17/02/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a memory corruption via UTF-8 Character Sequence of GNU Screen, in order to trigger a denial of service, and possibly to run code.
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