CVE-2015-1793: openssl 7PK - Security Features

Vulnerability summary

CVE-2015-1793 is a medium (CVSS 6.5) 7PK - Security Features vulnerability in openssl. EPSS estimates a 58.45% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 09-07-2015
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

The X509_verify_cert function in crypto/x509/x509_vfy.c in OpenSSL 1.0.1n, 1.0.1o, 1.0.2b, and 1.0.2c does not properly process X.509 Basic Constraints cA values during identification of alternative certificate chains, which allows remote attackers to spoof a Certification Authority role and trigger unintended certificate verifications via a valid leaf certificate.

• CWE-2547PK - Security FeaturesSoftware security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.