NULL pointer dereference in LibTIFF

Published: 2018-01-02 13:42:23
Severity Low
Patch available YES
Number of vulnerabilities 1
CVSSv2 3.7 (AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
CVSSv3 5.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE ID CVE-2017-18013
CWE ID CWE-476
Exploitation vector Network
Public exploit Not available
Vulnerable software LibTIFF
Vulnerable software versions LibTIFF 4.0.9
Vendor URL LibTIFF
Advisory type Public

Security Advisory

1) NULL pointer dereference

Description

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

The vulnerability exists due to NULL pointer dereference error in tif_print.c within TIFFPrintDirectory() function. A remote attacker can trigger a NULL pointer dereference error and crash the affected application.

Remediation

Install update from vendor's website.

External links

http://bugzilla.maptools.org/show_bug.cgi?id=2770
https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01

Back to List