Vulnerability in OpenSSL
CVE-2009-0789
OpenSSL before 0.9.8k on WIN64 and certain other platforms does not properly handle a malformed ASN.1 structure, which allows remote attackers to cause a denial of service (invalid memory access and application crash) by placing this structure in the public key of a certificate, as demonstrated by an RSA public key.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.026 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- OpenSSL — versions 0.9.1c, 0.9.2b, 0.9.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory)
- www.vupen.com/english/advisories/2009/0850 (vdb-entry, Vendor Advisory)
- www.vupen.com/english/advisories/2009/1175 (vdb-entry, Vendor Advisory)
- secunia.com/advisories/42724 (Vendor Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2011-07/msg00014.html (vendor-advisory)
- www.osvdb.org/52866 (vdb-entry)
- sourceforge.net/project/shownotes.php
- lists.opensuse.org/opensuse-security-announce/2011-07/msg00013.html (vendor-advisory)
- secunia.com/advisories/34666 (third-party-advisory)
- www.vupen.com/english/advisories/2009/1020 (vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2009-0789?
- CVE-2009-0789 is a vulnerability in OpenSSL, classified under CWE-189. Published 2009-03-27.
- Is CVE-2009-0789 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.