Fedora EPEL 6 update for p7zip

1) Link following

EUVDB-ID: #VU33137

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-1038

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to the application follows symlinks when extracting files. A remote attacker can create a specially crafted archive, trick the victim into opening it and overwrite arbitrary files on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 6.0

p7zip: before 15.09-9.el6

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:p7zip:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2016-d0e6303e27

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.