Bug#1032670: allegro4.4: CVE-2021-36489

[Moritz Mühlenhoff]

Source: allegro4.4
X-Debbugs-CC: team at security.debian.org
Severity: important
Tags: security

Hi,

The following vulnerability was published for allegro4.4.

CVE-2021-36489[0]:
| Buffer Overflow vulnerability in Allegro through 5.2.6 allows
| attackers to cause a denial of service via crafted PCX/TGA/BMP files
| to allegro_image addon.

https://github.com/liballeg/allegro5/issues/1251
https://github.com/liballeg/allegro5/pull/1253

These fixes landed in Allegro 5.2.8.0:
https://github.com/liballeg/allegro5/commit/3f2dbd494241774d33aaf83910fd05b2a590604a (5.2.8.0)
https://github.com/liballeg/allegro5/commit/cca179bc16827f358153060cd10ac73d394e758c (5.2.8.0)
https://github.com/liballeg/allegro5/commit/a2c93939f6997a96ecac1865dbb4fa3f66b5e1b7 (5.2.8.0)
https://github.com/liballeg/allegro5/commit/0294e28e6135292eab4b2916a7d2223b1bb6843e (5.2.8.0)

In allegro 4.4, code is in src/[pcx|tga].c instead


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-36489
    https://www.cve.org/CVERecord?id=CVE-2021-36489

Please adjust the affected versions in the BTS as needed.