CVE-2015-1269

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.92% Top 30%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-updates/2015-11/msg00012.html vendor advisory
http://www.securitytracker.com/id/1032731 vdb entry
http://www.securityfocus.com/bid/75336 vdb entry
https://codereview.chromium.org/1149753002
http://www.ubuntu.com/usn/USN-2652-1 vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1188.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-06/msg00057.html vendor advisory
http://googlechromereleases.blogspot.com/2015/06/chrome-stable-update.html
https://security.gentoo.org/glsa/201507-18 vendor advisory
https://code.google.com/p/chromium/issues/detail?id=461481
http://www.debian.org/security/2015/dsa-3315 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-1269?
CVE-2015-1269 has been scored as a medium severity vulnerability.
How to fix CVE-2015-1269?
To fix CVE-2015-1269, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1269 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-1269 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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