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CVE-2015-1269

4.3 · MEDIUM

The DecodeHSTSPreloadRaw function in net/http/transport_security_state.cc in Google Chrome before 43.0.2357.130 does not properly canonicalize DNS hostnames before making comparisons to HSTS or HPK…

Published Jun 26, 2015googleCWE-254EPSS 1.75%

Overview

CVE-2015-1269 is a medium-severity vulnerability affecting google chrome. It was published on June 26, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The DecodeHSTSPreloadRaw function in net/http/transport_security_state.cc in Google Chrome before 43.0.2357.130 does not properly canonicalize DNS hostnames before making comparisons to HSTS or HPKP preload entries, which allows remote attackers to bypass intended access restrictions via a string that (1) ends in a . (dot) character or (2) is not entirely lowercase.

Remediation

Check the references section for vendor advisories and patches from google. Update chrome 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
googlechrome0Affected

References

Refgooglechromereleases.blogspot.com/2015/06/chrome-stable-update.htmlReflists.opensuse.org/opensuse-updates/2015-06/msg00057.htmlReflists.opensuse.org/opensuse-updates/2015-11/msg00012.htmlRefrhn.redhat.com/errata/RHSA-2015-1188.htmlRefwww.debian.org/security/2015/dsa-3315Refwww.securityfocus.com/bid/75336Refwww.securitytracker.com/id/1032731Refwww.ubuntu.com/usn/USN-2652-1Refcode.google.com/p/chromium/issues/detail?id=461481Refcodereview.chromium.org/1149753002

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1269?

CVE-2015-1269 is a medium-severity vulnerability affecting google chrome. It was published on June 26, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2015-1269?

This vulnerability has a CVSS 2.0 base score of 4.3, 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-2015-1269?

Check the references section for vendor advisories and patches from google. Update chrome 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-2015-1269?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1269 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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