CVE-2015-1269
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…
Does this matter?
Lower severity and a low EPSS score (1.76%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.76% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- google/chrome
- Source
- chrome-cve-admin@google.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.