Vigil@nce - OpenJPEG: integer overflow via opj_t1_encode_cblks
March 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Solaris, Ubuntu.
Consequences: user access/rights, denial of service on service, denial of service on client.
Confidence: confirmed by the editor (5/5).
Creation date: 07/01/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via opj_t1_encode_cblks() of OpenJPEG, in order to trigger a denial of service, and possibly to run code.
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