CVE-2015-6785
The CSPSource::hostMatches function in WebKit/Source/core/frame/csp/CSPSource.cpp in the Content Security Policy (CSP) implementation in Google Chrome before 47.0.2526.73 accepts an x.y hostname as a match for a *.x.y pattern, which might allow remote…
Does this matter?
Lower severity and a low EPSS score (1.72%). Track it; it rarely justifies an emergency change on its own.
Description
The CSPSource::hostMatches function in WebKit/Source/core/frame/csp/CSPSource.cpp in the Content Security Policy (CSP) implementation in Google Chrome before 47.0.2526.73 accepts an x.y hostname as a match for a *.x.y pattern, which might allow remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging a policy that was intended to be specific to subdomains.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.72% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- google/chrome
- Source
- chrome-cve-admin@google.com
References
- http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
- http://www.debian.org/security/2015/dsa-3415
- http://www.securityfocus.com/bid/78416
- http://www.securitytracker.com/id/1034298
- http://www.ubuntu.com/usn/USN-2825-1
- https://code.google.com/p/chromium/issues/detail?id=534542
- https://codereview.chromium.org/1367933003
- https://security.gentoo.org/glsa/201603-09
- http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
- http://www.debian.org/security/2015/dsa-3415
- http://www.securityfocus.com/bid/78416
- http://www.securitytracker.com/id/1034298
- http://www.ubuntu.com/usn/USN-2825-1
- https://code.google.com/p/chromium/issues/detail?id=534542
- https://codereview.chromium.org/1367933003
- https://security.gentoo.org/glsa/201603-09
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.