SB2021052750 - Fedora 34 update for mingw-openjpeg2, openjpeg2

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Integer overflow (CVE-ID: CVE-2021-29338)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to integer overflow when using the command line option "-ImgDir" on a directory that contains 1048576 files. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service attack.

2) Heap-based buffer overflow (CVE-ID: CVE-2021-3575)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the sycc420_to_rgb() function in color.c. A remote attacker can pass specially crafted image data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://bodhi.fedoraproject.org/updates/FEDORA-2021-c1ac2ee5ee