SB2022050615 - SUSE update for giflib
Published: May 6, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2016-3977)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the gif2rgb() function (util/gif2rgb.c) in giflib 5.1.2. A remote attacker can use background color index in a GIF file to trigger 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.
2) Heap-based buffer overflow (CVE-ID: CVE-2018-11490)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the DGifDecompressLine function in dgif_lib.c in GIFLIB because a certain "Private->RunningCode - 2" array index is not checked. A remote attacker can 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.
3) Division by zero (CVE-ID: CVE-2019-15133)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.
Remediation
Install update from vendor's website.