Heap-based buffer overflow in 7-Zip - CVE-2017-17969
Published: February 5, 2018 / Updated: February 5, 2018
Vulnerability identifier: #VU10377
CSH Severity: High
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:Amber
CVE-ID: CVE-2017-17969
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: 7-zip.org
Affected software:
7-Zip
7-Zip
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method. A remote attacker can trick the victim into opening a specially crafted ZIP archive, trigger memory corruption and out-of-bounds write execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2017-17969
Update to version 18.00