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.
Metrics
CVSS 2.0 4.3/10
AV:N/AC:M/Au:N/C:N/I:P/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://googlechromereleases.blogspot.com/2015/06/chrome-stable-update.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00057.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00012.html
- http://rhn.redhat.com/errata/RHSA-2015-1188.html
- http://www.debian.org/security/2015/dsa-3315
- http://www.securityfocus.com/bid/75336
- http://www.securitytracker.com/id/1032731
- http://www.ubuntu.com/usn/USN-2652-1
- https://code.google.com/p/chromium/issues/detail?id=461481
- https://codereview.chromium.org/1149753002
- https://security.gentoo.org/glsa/201507-18
- http://googlechromereleases.blogspot.com/2015/06/chrome-stable-update.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00057.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00012.html
- http://rhn.redhat.com/errata/RHSA-2015-1188.html
- http://www.debian.org/security/2015/dsa-3315
- http://www.securityfocus.com/bid/75336
- http://www.securitytracker.com/id/1032731
- http://www.ubuntu.com/usn/USN-2652-1
- https://code.google.com/p/chromium/issues/detail?id=461481
- https://codereview.chromium.org/1149753002
- https://security.gentoo.org/glsa/201507-18
Timeline
- Published
- Jun 26, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified