NULL pointer dereference in LibTIFF - CVE-2018-7456
Published: March 1, 2018 / Updated: March 1, 2018
Vulnerability identifier: #VU10792
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-7456
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: LibTIFF
Affected software:
LibTIFF
LibTIFF
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The vulnerability exists in the TIFFPrintDirectory function that is defined in the tif_print.c source code file due to NULL pointer dereference. A remote attacker can create a specially crafted TIFF file, trick the victim into opening it and cause the service to crash.
How to mitigate CVE-2018-7456
Install update from vendor's website.