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CVE-2015-0287

5.0 · MEDIUM

The ASN1_item_ex_d2i function in crypto/asn1/tasn_dec.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not reinitialize CHOICE and ADB data struct…

Published Mar 19, 2015opensslCWE-17EPSS 8.37%

Overview

CVE-2015-0287 is a medium-severity vulnerability affecting openssl openssl. It was published on March 19, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The ASN1_item_ex_d2i function in crypto/asn1/tasn_dec.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not reinitialize CHOICE and ADB data structures, which might allow attackers to cause a denial of service (invalid write operation and memory corruption) by leveraging an application that relies on ASN.1 structure reuse.

Remediation

Check the references section for vendor advisories and patches from openssl. Update openssl 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
opensslopenssl0Affected

References

Refkb.juniper.net/InfoCenter/index?page=content&id=JSA10680Reflists.apple.com/archives/security-announce/2015/Jun/msg00002.htmlReflists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlReflists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-March/152733.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-March/152734.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-March/152844.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-May/156823.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-May/157177.htmlReflists.opensuse.org/opensuse-security-announce/2015-03/msg00022.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-0287?

CVE-2015-0287 is a medium-severity vulnerability affecting openssl openssl. It was published on March 19, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2015-0287?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2015-0287?

Check the references section for vendor advisories and patches from openssl. Update openssl 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-2015-0287?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-0287 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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