Input validation error in LibTIFF - CVE-2017-7592
Published: April 9, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU32120
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7592
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
The putagreytile function in tif_getimage.c in LibTIFF 4.0.7 has a left-shift undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image.
Affected software
LibTIFF
Arch Linux
Gentoo Linux
Fedora
tiff (Alpine package)
libtiff
Arch Linux
Gentoo Linux
Fedora
tiff (Alpine package)
libtiff
How to mitigate CVE-2017-7592
Install update from vendor's website.
tiff (Alpine package) - update to 4.0.7-r2
libtiff - addressed in versions 4.0.7-5.fc25, 4.0.7-5.fc26
libtiff - addressed in versions 4.0.7-5.fc25, 4.0.7-5.fc26