Reachable Assertion in LibTIFF - CVE-2017-13727

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Main Vulnerability Database Vulnerabilities #VU15682

Reachable Assertion in LibTIFF - CVE-2017-13727

Published: November 1, 2018


Vulnerability identifier: #VU15682
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-13727
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: LibTIFF
Affected software:
LibTIFF

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion abort in the function TIFFWriteDirectoryTagSubifd() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A specially crafted input will lead to a remote denial of service attack.


How to mitigate CVE-2017-13727

Install updates from vendor's website.

Sources