CVE-2016-9448

Publication date 27 January 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tiff	17.10 artful	Not affected
	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
	14.04 LTS trusty	Fixed 4.0.3-7ubuntu0.6
	12.04 LTS precise	Ignored end of life

Notes

tyhicks

Introduced by fix for CVE-2016-9297

mdeslaur

this will not be fixed in precise/esm

Patch details

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

Package	Patch details
tiff	Upstream: 8940628

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3212-1
LibTIFF vulnerabilities
27 February 2017