Bug 1128764 – CVE-2014-5030 cups: allows local users to read arbitrary files via a symlink attack

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Bug 1128764 - (CVE-2014-5030) CVE-2014-5030 cups: allows local users to read arbitrary files via a symlink attack

Summary:	CVE-2014-5030 cups: allows local users to read arbitrary files via a symlink ...

Status:	CLOSED ERRATA

Aliases:	CVE-2014-5030

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20140722,repor...
Keywords:	Security

Depends On:	1122601 1128773 1128774 1128775
Blocks:	1101912 1115577
	Show dependency tree / graph

Reported:	2014-08-11 09:59 EDT by Francisco Alonso
Modified:	2015-07-31 03:24 EDT (History)
CC List:	5 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:	It was discovered that CUPS allowed certain users to create symbolic links in certain directories under /var/cache/cups/. A local user with the 'lp' group privileges could use this flaw to read the contents of arbitrary files on the system or, potentially, escalate their privileges on the system.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2015-03-26 17:43:22 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2014:1388	normal	SHIPPED_LIVE	Moderate: cups security and bug fix update	2014-10-13 21:21:38 EDT

Groups: None (edit)

Description Francisco Alonso 2014-08-11 09:59:57 EDT

It was reported [1] that CUPS allow local users to read arbitrary files via symlink attack on the directory index files:

index.html
index.class
index.pl
index.php
index.pyc
index.py

Upstream patches are available at [2] as well.

[1]: http://seclists.org/oss-sec/2014/q3/209
[2]: https://cups.org/str.php?L4455

Comment 5 Francisco Alonso 2014-08-11 10:19:18 EDT

Created cups tracking bugs for this issue:

Affects: fedora-all [bug 1128775]

Comment 7 Francisco Alonso 2014-08-11 10:43:50 EDT

Statement:

This issue is not planned to be fixed in Red Hat Enterprise Linux 5 as it is now in Production 3 Phase of the support and maintenance life cycle, https://access.redhat.com/support/policy/updates/errata/

Comment 8 Martin Prpič 2014-10-07 04:44:49 EDT

IssueDescription:

It was discovered that CUPS allowed certain users to create symbolic links in certain directories under /var/cache/cups/. A local user with the 'lp' group privileges could use this flaw to read the contents of arbitrary files on the system or, potentially, escalate their privileges on the system.

Comment 9 errata-xmlrpc 2014-10-14 03:31:56 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2014:1388 https://rhn.redhat.com/errata/RHSA-2014-1388.html

Comment 10 Tomas Hoger 2015-03-26 17:43:22 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHBA-2015:0386 https://rhn.redhat.com/errata/RHBA-2015-0386.html

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