Untrusted search path in 7-Zip - CVE-2017-2107

 

Untrusted search path in 7-Zip - CVE-2017-2107

Published: April 28, 2017 / Updated: September 18, 2020


Vulnerability identifier: #VU46819
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-2107
CWE-ID: CWE-426
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: 7-zip.org
Affected software:
7-Zip

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due untrused search path when loading dynamic libraries during archive extraction. A local user can place a malicious library on the system and trick the victim to open a an archive that will trigger malicious library loading.


How to mitigate CVE-2017-2107

Install updates from vendor's website.

Sources