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)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.8 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- PostgreSQL — versions 7.4.1, 7.4.2, 7.4.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- osvdb.org/61038 (vdb-entry)
- marc.info/ (vendor-advisory)
- www.postgresql.org/docs/current/static/release-8-2-15.html (Patch, Vendor Advisory)
- www.redhat.com/archives/fedora-package-announce/2009-December/msg01035.html (vendor-advisory)
- www.postgresql.org/support/security.html (Vendor Advisory)
- www.postgresql.org/docs/current/static/release-8-4-2.html (Patch, Vendor Advisory)
- www.postgresql.org/docs/current/static/release-8-0-23.html (Patch, Vendor Advisory)
- www.securityfocus.com/archive/1/509917/100/0/threaded (mailing-list)
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html (vendor-advisory)
- www.postgresql.org/docs/current/static/release-8-3-9.html (Patch, Vendor Advisory)
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.