#VU16444 NULL pointer dereference in LibTIFF - CVE-2018-19210
Published: December 11, 2018
Vulnerability identifier: #VU16444
Vulnerability risk: Low
CVSSv4.0: 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:P/U:Clear
CVE-ID: CVE-2018-19210
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
LibTIFF
LibTIFF
Software vendor:
LibTIFF
LibTIFF
Description
The vulnerability allows a remote attacker to cause DoS condition.
The vulnerability exists due to insufficient validation of user-supplied input processed by the TIFFWriteDirectorySec function, as defined in the tif_dirwrite.c source code file. A remote attacker can trick the victim into opening or executing a file that submits malicious input, trigger a NULL pointer dereference and cause the service to crash.
Remediation
Cybersecurity Help is currently unaware of any official solutions to address the vulnerability.