CVE-2014-9447 Path traversal in n/a

Medium 6.4 Published Updated

Remote attackers can write arbitrary files to the root directory via a crafted archive processed by the elfutils library, requiring user interaction to open the file.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2014-9447?

CVE-2014-9447 is a medium-severity path traversal vulnerability in n/a, published on 2 Jan 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Directory traversal vulnerability in the read_long_names function in libelf/elf_begin.c in elfutils 0.152 and 0.161 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.

Weakness: CWE-22

Which versions are affected by CVE-2014-9447?

It affects 1 product.

Linux distribution packages (40)
elfutils Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-devel Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-devel-static Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-libelf Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-libelf-devel Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-libelf-devel-static Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils-libs Red Hat:enterprise_linux:6::clientAll versions0:0.161-3.el6
elfutils Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-devel Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-devel-static Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-libelf Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-libelf-devel Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-libelf-devel-static Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils-libs Red Hat:enterprise_linux:6::computenodeAll versions0:0.161-3.el6
elfutils Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-devel Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-devel-static Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-libelf Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-libelf-devel Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-libelf-devel-static Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils-libs Red Hat:enterprise_linux:6::serverAll versions0:0.161-3.el6
elfutils Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-devel Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-devel-static Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-libelf Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-libelf-devel Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-libelf-devel-static Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils-libs Red Hat:enterprise_linux:6::workstationAll versions0:0.161-3.el6
elfutils Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-devel Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-devel-static Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-libelf Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-libelf-devel Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-libelf-devel-static Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7
elfutils-libs Red Hat:enterprise_linux:7::clientAll versions0:0.163-3.el7

Products include Elfutils Project Elfutils.

How do I fix CVE-2014-9447?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2014-9447 being exploited?

There is no known exploitation of CVE-2014-9447 in the wild and no public exploit code.

Sources

Also known as CVE-2014-9486, DEBIAN-CVE-2014-9447, GHSA-68vx-rhrw-hrp5, MGASA-2015-0033, RHEA-2015:1302, RHEA-2015:2126 and 4 more.

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