Heap-based buffer overflow in Free Lossless Image Format (FLIF) - CVE-2019-14373
Published: July 29, 2019 / Updated: November 22, 2021
Vulnerability identifier: #VU19552
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2019-14373
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cloudinary Ltd.
Affected software:
Free Lossless Image Format (FLIF)
Free Lossless Image Format (FLIF)
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the "image_save_png" in "image/image-png.cpp". A remote attacker can use a crafted flif file to trigger heap-based buffer over-read in libpng and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-14373
Install update from vendor's website.