Auth bypass in Zxid
CVE-2009-0051
ZXID 0.29 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
Vulnerability class: Broken Authentication
EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.
Affected products
- Zxid — versions 0.1, 0.2, 0.3
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vdb-entry, x_refsource_XF)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2009-0051?
- CVE-2009-0051 is a vulnerability in Zxid, classified under Improper Authentication. Published 2009-01-07.
- Is CVE-2009-0051 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.