[arch-security] [ASA-201503-2] elfutils: directory traversal

[Levente Polyak]

Arch Linux Security Advisory ASA-201503-2
=========================================

Severity: Medium
Date    : 2015-03-02
CVE-ID  : CVE-2014-9447
Package : elfutils
Type    : directory traversal
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package elfutils before version 0.161-3 is vulnerable to directory
traversal.

Resolution
==========

Upgrade to 0.161-3.

# pacman -Syu "elfutils>=0.161-3"

The problem has been fixed upstream but no release is available yet.

Workaround
==========

None.

Description
===========

Directory traversal vulnerability in the read_long_names function in
libelf/elf_begin.c allows remote attackers to write to arbitrary files
to the root directory via a / (slash) in a crafted archive, as
demonstrated using the ar program.

Impact
======

A remote attacker is able to use a specially crafted archive to write to
arbitrary files to the root directory.

References
==========

http://www.openwall.com/lists/oss-security/2014/12/29/2
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9447
https://bugs.archlinux.org/task/44019

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: OpenPGP digital signature
URL: <https://lists.archlinux.org/pipermail/arch-security/attachments/20150302/2a9c957b/attachment.asc>