Vigil@nce - GhostScript: buffer overflow via GetNumSameData
October 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Ubuntu.
Consequences: user access/rights, denial of service on client.
Confidence: confirmed by the editor (5/5).
Creation date: 21/08/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via GetNumSameData() of GhostScript, in order to trigger a denial of service, and possibly to run code.
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