Heap-based buffer over-read in Gimp - CVE-2017-17786
Published: February 19, 2018 / Updated: February 20, 2018
Vulnerability identifier: #VU10662
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-17786
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to heap-based buffer over-read in ReadImage in plug-ins/common/file-tga.c (related to bgr2rgb.part.1). A remote attacker can supply an unexpected bits-per-pixel value for an RGBA image and perform a denial of service attack.
Affected software
Gimp
gimp (Alpine package)
gimp
Fedora
gimp (Alpine package)
gimp
Fedora
How to mitigate CVE-2017-17786
Install update from vendor's website.
gimp (Alpine package) - addressed in versions 2.8.22-r2, 2.10.2-r0
gimp - addressed in versions 2.8.22-3.fc26, 2.8.22-3.fc27
gimp - addressed in versions 2.8.22-3.fc26, 2.8.22-3.fc27