SB2016100305 - Out-of-bounds read in LibTIFF

Description

This security bulletin contains information about 1 vulnerability.

1) Out-of-bounds read (CVE-ID: CVE-2016-3621)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 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/E:U/U:Amber

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.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://bugzilla.maptools.org/show_bug.cgi?id=2565
• http://www.openwall.com/lists/oss-security/2016/04/07/3
• http://www.securitytracker.com/id/1035508
• https://security.gentoo.org/glsa/201701-16