CVE-2015-8607

Publication date 13 January 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The canonpath function in the File::Spec module in PathTools before 3.62, as used in Perl, does not properly preserve the taint attribute of data, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libfile-spec-perl	15.10 wily	Not in release
	15.04 vivid	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
perl	15.10 wily	Fixed 5.20.2-6ubuntu0.1
	15.04 vivid	Fixed 5.20.2-2ubuntu0.1
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

mdeslaur

introduced in perl 5.20.0 introduced in libfile-spec-perl 3.47

Patch details

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

Package	Patch details
perl	Upstream: 0b6f930

Severity score breakdown

Parameter	Value
Base score	7.3 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L