Vulnerability in Postgresql

CVE-2009-4034

PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.

Affected products

  • Postgresql — versions 7.4.1, 7.4.2, 7.4.3
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-4034?
CVE-2009-4034 is a vulnerability in Postgresql, classified under Cryptographic Issues. Published 2009-12-15.
Is CVE-2009-4034 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.