Path traversal in Kyzer cabextract

1) Path traversal

EUVDB-ID: #VU32433

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-2015-2060

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

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

cabextract before 1.6 does not properly check for leading slashes when extracting files, which allows remote attackers to conduct absolute directory traversal attacks via a malformed UTF-8 character that is changed to a UTF-8 encoded slash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cabextract: 1.0 - 1.5

External links

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151145.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151147.html
http://www.cabextract.org.uk/
http://www.mandriva.com/security/advisories?name=MDVSA-2015:064
http://www.openwall.com/lists/oss-security/2015/02/18/3
http://www.openwall.com/lists/oss-security/2015/02/23/16
http://www.openwall.com/lists/oss-security/2015/02/23/24

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.