CVE-2012-4436 describes a buffer overflow vulnerability in the run_last_args function of fwknop client versions prior to 2.0.3. This flaw, triggered when processing the --last argument with numerous .fwknop.run arguments, could allow a local attacker to cause a denial of service (client crash) and potentially execute arbitrary code. With a CVSS score of 4.4 (AV:L/AC:M/Au:N/C:P/I:P/A:P), it is considered a medium-severity vulnerability requiring local access and moderate attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.0.2CPE matchmatch criteria | cpe:2.3:a:cipherdyne:fwknop:*:*:*:*:*:*:*:* | ||
2.0CPE matchmatch criteria | cpe:2.3:a:cipherdyne:fwknop:2.0:*:*:*:*:*:*:* | ||
2.0.1CPE matchmatch criteria | cpe:2.3:a:cipherdyne:fwknop:2.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.