CVE-2003-0545

high-risk

Published 2003-11-17

Double free vulnerability in OpenSSL 0.9.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an SSL client certificate with a certain invalid ASN.1 encoding.

Do I need to act?

74.6% chance of exploitation in next 30 days

EPSS score — higher than 25% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (2)

Openssl

Affected Vendors

Openssl

References (20)

Broken Link http://secunia.com/advisories/22249

Broken Link http://www-1.ibm.com/support/docview.wss?uid=swg21247112

Third Party Advisory http://www.cert.org/advisories/CA-2003-26.html

Broken Link http://www.debian.org/security/2003/dsa-394

Third Party Advisory http://www.kb.cert.org/vuls/id/935264

Broken Link http://www.redhat.com/support/errata/RHSA-2003-292.html

Broken Link http://www.securityfocus.com/bid/8732

Broken Link http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm

Broken Link http://www.vupen.com/english/advisories/2006/3900

Broken Link https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3...