Vulnerability in Isc Bind

CVE-2009-0265

Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal 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 and CVE-2009-0025.

EPSS: 0.025 (82.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (vendor-advisory, x_refsource_MANDRIVA, Broken Link)
  • cve@mitre.org (x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
  • cve@mitre.org (vdb-entry, Broken Link, x_refsource_VUPEN)
  • cve@mitre.org (vendor-advisory, Patch, Mailing List, x_refsource_SLACKWARE)
  • cve@mitre.org (Mailing List, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2009-0265?
CVE-2009-0265 is a high-severity vulnerability in Isc Bind, classified under CWE-252. CVSS score: 7.5/10. Published 2009-01-26.
How severe is CVE-2009-0265?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2009-0265 known to be exploited?
13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.