CVE-2017-6309

Publication date 24 February 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tnef	17.04 zesty	Fixed 1.4.12-1ubuntu0.1
	16.10 yakkety	Fixed 1.4.9-1+deb8u2build0.16.10.1
	16.04 LTS xenial	Fixed 1.4.9-1+deb8u2build0.16.04.1
	14.04 LTS trusty	Fixed 1.4.9-1+deb8u2build0.14.04.1
	12.04 LTS precise	Ignored end of life

Patch details

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

Package	Patch details
tnef	Upstream: 8dccf79

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H