Out-of-bounds read in LibTIFF - CVE-2016-3621

 

Out-of-bounds read in LibTIFF - CVE-2016-3621

Published: October 3, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32168
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-3621
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error in The LZWEncode function in tif_lzw.c in the bmp2tiff tool in LibTIFF 4.0.6 and earlier, when the "-c lzw" option is used,. A remote attacker can perform a denial of service (buffer over-read) via a crafted BMP image.


Affected software

LibTIFF
tiff (Alpine package)
Dynamic System Analysis (DSA) Preboot

How to mitigate CVE-2016-3621

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

tiff (Alpine package) - update to 4.0.7-r0
Dynamic System Analysis (DSA) Preboot - update to dsyte2z-9.65

External References

Related Security Bulletins