Heap-based buffer overflow in OpenConnect VPN Client - CVE-2012-3291

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Main Vulnerability Database Vulnerabilities #VU44011

Heap-based buffer overflow in OpenConnect VPN Client - CVE-2012-3291

Published: June 7, 2012 / Updated: August 11, 2020


Vulnerability identifier: #VU44011
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-3291
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenConnect
Affected software:
OpenConnect VPN Client

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 OpenConnect 3.18. A remote attacker can use a crafted greeting banner. 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-2012-3291

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources