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.

EPSS: 0.026 (83.7th percentile) — read the EPSS interpretation.

Affected products

  • Openssl — versions 0.9.1c, 0.9.2b, 0.9.3
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.