CVE-2015-8668

Publication date 8 January 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in bmp2tiff in libtiff 4.0.6 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a large width field in a BMP image.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tiff	17.04 zesty	Not affected
	16.10 yakkety	Fixed 4.0.6-2ubuntu0.1
	16.04 LTS xenial	Fixed 4.0.6-1ubuntu0.1
	15.10 wily	Ignored end of life
	15.04 vivid	Ignored end of life
	14.04 LTS trusty	Fixed 4.0.3-7ubuntu0.6
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

upstream removed the bmp2tiff utility in 4.0.7 RHEL patch is incomplete

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
tiff	Vendor: https://git.centos.org/blob/rpms!libtiff.git/1ad9335dc0c1325262c62842eda01476243ec821/SOURCES!libtiff-CVE-2015-8668.patch

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H