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CVE-2015-1793

6.5 · MEDIUM

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 alternativ…

Published Jul 9, 2015oracleCWE-254EPSS 58.45%

Overview

CVE-2015-1793 is a medium-severity vulnerability affecting oracle supply_chain_products_suite. It was published on July 9, 2015 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from oracle. Update supply_chain_products_suite to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
oracleopus_10g_ethernet_switch_family0Affected

References

Reffortiguard.com/advisory/2015-07-09-cve-2015-1793-openssl-alternative-chains-certificate-forgeryRefftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2015-008.txt.ascRefkb.juniper.net/InfoCenter/index?page=content&id=JSA10694Reflists.fedoraproject.org/pipermail/package-announce/2015-July/161747.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-July/161782.htmlRefmarc.info/?l=bugtraq&m=143880121627664&w=2Refmarc.info/?l=bugtraq&m=144370846326989&w=2Refopenssl.org/news/secadv_20150709.txtReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150710-opensslRefwww.fortiguard.com/advisory/2015-07-09-cve-2015-1793-openssl-alternative-chains-certificate-forgery

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1793?

CVE-2015-1793 is a medium-severity vulnerability affecting oracle supply_chain_products_suite. It was published on July 9, 2015 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2015-1793?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-1793?

Check the references section for vendor advisories and patches from oracle. Update supply_chain_products_suite to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-1793?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1793 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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