Input validation error in LibTIFF - CVE-2018-10963

 

Input validation error in LibTIFF - CVE-2018-10963

Published: June 16, 2018 / Updated: June 17, 2018


Vulnerability identifier: #VU13373
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-10963
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause denial of service conditions.

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 a specially crafted file, trigger assertion failure and cause the application to crash.


Affected software

LibTIFF
Arch Linux
Debian Linux
Amazon Linux AMI
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Slackware Linux
Opensuse
Fedora
tiff (Alpine package)
openSUSE Leap
libtiff
Data Computing Appliance (DCA)

How to mitigate CVE-2018-10963

Install update from vendor's website.

tiff (Alpine package) - addressed in versions 4.0.9-r5, 4.0.9-r6
libtiff - addressed in versions 4.0.9-9.fc27, 4.0.9-9.fc28
Data Computing Appliance (DCA) - update to 4.3.0.0

External References

Related Security Bulletins