Bug 1179505 (CVE-2015-1038)

Summary:	CVE-2015-1038 p7zip: directory traversal vulnerability
Product:	[Other] Security Response	Reporter:	Vincent Danen <vdanen>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	carnil, jrusnack, justin, matthias, sergio
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-12-06 23:13:45 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Vincent Danen 2015-01-06 23:18:33 UTC

It was reported [1] that p7zip suffers from a directory traversal flaw.  This could for the overwriting of arbitrary files through uncompressing a crafted archive, with the privileges of the user running 7z.  For example:

$ ln -s /tmp foo
$ 7z a test.7z foo
$ rm foo
$ mkdir foo
$ echo hello > foo/test
$ 7z a test.7z foo/test
$ rm -rf foo
$ 7z x test.7z

This will create 'foo' as a symlink to /tmp which will in turn contain the file 'test' with the privileges of the user unarchiving 'test.7z'.


[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774660

Comment 1 Fedora Update System 2015-12-06 01:21:14 UTC

p7zip-15.09-4.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 2 Fedora Update System 2015-12-20 07:53:11 UTC

p7zip-15.09-4.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2016-02-10 11:03:10 UTC

p7zip-15.09-9.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.

Comment 4 Fedora Update System 2016-02-10 11:13:22 UTC

p7zip-15.09-9.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.