CVE-2016-2845

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-06 · updated 2026-06-17
Weakness: CWE-200

Description

The Content Security Policy (CSP) implementation in Blink, as used in Google Chrome before 49.0.2623.75, does not ignore a URL's path component in the case of a ServiceWorker fetch, which allows remote attackers to obtain sensitive information about visited web pages by reading CSP violation reports, related to FrameFetchContext.cpp and ResourceFetcher.cpp.

Affected products

Google Chrome: through 48.0.2564.116

References

http://googlechromereleases.blogspot.com/2016/03/stable-channel-update.html
http://homakov.blogspot.com/2014/01/using-content-security-policy-for-evil.html
http://www.securityfocus.com/bid/84168
http://www.securitytracker.com/id/1035185
http://www.ubuntu.com/usn/USN-2920-1
https://bugs.chromium.org/p/chromium/issues/detail?id=542060
https://code.google.com/p/chromium/issues/detail?id=591402
https://codereview.chromium.org/1454003003/
http://googlechromereleases.blogspot.com/2016/03/stable-channel-update.html
http://homakov.blogspot.com/2014/01/using-content-security-policy-for-evil.html
http://www.securityfocus.com/bid/84168
http://www.securitytracker.com/id/1035185

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