Heap-based buffer overflow in LibTIFF - CVE-2018-17795

 

Heap-based buffer overflow in LibTIFF - CVE-2018-17795

Published: October 2, 2018 / Updated: May 21, 2022


Vulnerability identifier: #VU15148
CSH Severity: High
CVSS v4.0: 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/E:P/U:Amber
CVE-ID: CVE-2018-17795
CWE-ID: CWE-122
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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the t2p_write_pdf() function in tiff2pdf.c file. A remote attacker can use a specially crafted TIFF file to 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.


How to mitigate CVE-2018-17795

Install update from vendor's website.

Sources