The CSPSourceList::matches function in WebKit/Source/core/frame/csp/CSPSourceList.cpp in the Content Security Policy (CSP) implementation in Google Chrome before 47.0.2526.73 accepts a blob:, data:, or filesystem: URL as a match for a * pattern, which allows remote attackers to bypass intended scheme restrictions in opportunistic circumstances by leveraging a policy that relies on this pattern.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-6786 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | None |
Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
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Red Hat Enterprise Linux Supplementary (v. 6) (chromium-browser) | RHSA-2015:2545 | 2015-12-03 |