Link following in Novell Opensuse

1) Link following

EUVDB-ID: #VU40930

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-1196

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

GNU patch 2.7.1 allows remote attackers to write to arbitrary files via a symlink attack in a patch file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Opensuse: 13.1 - 13.2

Oracle Solaris: 11.2 - 13.2

Patch: 2.7.1 - 13.2

CPE2.3

• cpe:2.3:o:suse:opensuse:13.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse:13.2:*:*:*:*:*:*:*
• cpe:2.3:o:oracle:solaris:13.1:*:*:*:*:*:*:*
• cpe:2.3:o:oracle:solaris:13.2:*:*:*:*:*:*:*
• cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:patch:13.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:patch:13.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:patch:11.2:*:*:*:*:*:*:*

External links

http://git.savannah.gnu.org/cgit/patch.git/commit/?id=4e9269a5fc1fe80a1095a92593dd85db871e1fd3
http://lists.opensuse.org/opensuse-updates/2015-02/msg00013.html
http://seclists.org/oss-sec/2015/q1/173
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/bid/72074
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=775227
http://bugzilla.redhat.com/show_bug.cgi?id=1182154
http://exchange.xforce.ibmcloud.com/vulnerabilities/99967

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.