Heap-based buffer overflow in ngiflib - CVE-2019-16347
Published: September 16, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU35491
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-16347
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing data within WritePixels() in ngiflib.c when called from DecodeGifImg. A remote attacker can pass a specially crafted file to the affected application, 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.
Affected software
ngiflib
How to mitigate CVE-2019-16347
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.