Resource exhaustion in LibTIFF - CVE-2018-5784

 

Resource exhaustion in LibTIFF - CVE-2018-5784

Published: April 3, 2018


Vulnerability identifier: #VU11500
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5784
CWE-ID: CWE-400
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 cause DoS condition on the target system.

The weakness exists in the TIFFSetDirectory function of tif_dir.c due to the declared number of directory entries is not validated against the actual number of directory entries. A remote attacker can submit a specially crafted tif file, trigger resource exhaustion and cause the service to crash.

How to mitigate CVE-2018-5784

Install update from vendor's website.

Sources