Openconnect · Openconnect · CVE-2020-12823
Name of the Vulnerable Software and Affected Versions:
OpenConnect version 8.09
Description:
The issue is related to a buffer overflow error in the `get cert name` function in `gnutls.c`, which can be exploited by a remote attacker. This exploitation can lead to a denial of service, causing the application to crash, or possibly other unspecified impacts. The vulnerability is triggered by crafted certificate data.
Recommendations:
For OpenConnect version 8.09, consider disabling the `get cert name` function in `gnutls.c` as a temporary workaround to prevent potential exploitation until a patch is available. Restrict access to crafted certificate data to minimize the risk of triggering the buffer overflow. At the moment, there is no information about a newer version that contains a fix for this vulnerability.