Buffer overflow in Info-ZIP UnZip

1) Buffer overflow

EUVDB-ID: #VU33147

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-9913

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform service disruption.

Buffer overflow in the list_files function in list.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via vectors related to the compression method.

Mitigation

Install update from vendor's website.

Vulnerable software versions

UnZip: 6.0

CPE2.3

• cpe:2.3:a:info-zip:unzip:6.0:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2014/11/03/5
https://www.openwall.com/lists/oss-security/2016/12/05/13
https://www.openwall.com/lists/oss-security/2016/12/05/19
https://www.openwall.com/lists/oss-security/2016/12/05/20
https://www.securityfocus.com/bid/95081
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1643750

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted archive.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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