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CVE-2015-8036

6.8 · MEDIUM

Heap-based buffer overflow in ARM mbed TLS (formerly PolarSSL) 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote SSL servers to cause a denial of service (client crash) and possibly execute ar…

Published Nov 2, 2015polarsslCWE-119EPSS 2.89%

Overview

CVE-2015-8036 is a medium-severity vulnerability affecting polarssl polarssl. It was published on November 2, 2015 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Heap-based buffer overflow in ARM mbed TLS (formerly PolarSSL) 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote SSL servers to cause a denial of service (client crash) and possibly execute arbitrary code via a long session ticket name to the session ticket extension, which is not properly handled when creating a ClientHello message to resume a session. NOTE: this identifier was SPLIT from CVE-2015-5291 per ADT3 due to different affected version ranges.

Remediation

Check the references section for vendor advisories and patches from polarssl. Update polarssl 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
polarsslpolarssl0Affected
trustedfirmwarembed_tls>= 1.3.0, < 1.3.14Affected

References

Reflists.fedoraproject.org/pipermail/package-announce/2015-October/169625.htmlReflists.opensuse.org/opensuse-updates/2016-08/msg00009.htmlRefwww.debian.org/security/2016/dsa-3468Refguidovranken.files.wordpress.com/2015/10/cve-2015-5291.pdfRefguidovranken.wordpress.com/2015/10/07/cve-2015-5291/Reftls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2015-01Reflists.fedoraproject.org/pipermail/package-announce/2015-October/169625.htmlReflists.opensuse.org/opensuse-updates/2016-08/msg00009.htmlRefwww.debian.org/security/2016/dsa-3468Refguidovranken.files.wordpress.com/2015/10/cve-2015-5291.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8036?

CVE-2015-8036 is a medium-severity vulnerability affecting polarssl polarssl. It was published on November 2, 2015 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2015-8036?

This vulnerability has a CVSS 2.0 base score of 6.8, 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-2015-8036?

Check the references section for vendor advisories and patches from polarssl. Update polarssl 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-2015-8036?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8036 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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