Vulnerability Description
Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cipherdyne | Fwknop | <= 2.0.2 |
Related Weaknesses (CWE)
References
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.htmlVendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60
- http://www.openwall.com/lists/oss-security/2012/09/19/2
- http://www.openwall.com/lists/oss-security/2012/09/20/4
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.htmlVendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60
- http://www.openwall.com/lists/oss-security/2012/09/19/2
- http://www.openwall.com/lists/oss-security/2012/09/20/4
FAQ
What is CVE-2012-4436?
CVE-2012-4436 is a vulnerability with a CVSS score of 4.4 (MEDIUM). Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execut...
How severe is CVE-2012-4436?
CVE-2012-4436 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4436?
Check the references section above for vendor advisories and patch information. Affected products include: Cipherdyne Fwknop.