Heap-based buffer overflow in UnZip - CVE-2014-8140

 

Heap-based buffer overflow in UnZip - CVE-2014-8140

Published: January 31, 2020 / Updated: August 3, 2020


Vulnerability identifier: #VU33145
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-8140
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Info-ZIP
Affected software:
UnZip

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the test_compr_eb function in Info-ZIP UnZip 6.0 and earlier. A remote attacker can use a crafted zip file in the -t command argument to the unzip command. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2014-8140

Update to version 6.10b.

Sources