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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-1269 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 6.4 |
---|---|
Base Metrics | AV:N/AC:L/Au:N/C:P/I:P/A:N |
Access Vector | Network |
Access Complexity | Low |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux Supplementary (v. 6) (chromium-browser) | RHSA-2015:1188 | 2015-06-25 |