Auth bypass in Isc Bind
CVE-2009-0025
BIND 9.6.0, 9.5.1, 9.5.0, 9.4.3, 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: 0.069 (93.4th percentile) — read the EPSS interpretation.
Affected products
- Isc Bind — versions 9.0, 9.0.0, 9.0.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2009-0025?
- CVE-2009-0025 is a vulnerability in Isc Bind, classified under Improper Authentication. Published 2009-01-07.
- Is CVE-2009-0025 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.