CVE-2018-5175

Impact:
Moderate
Public Date:
2018-05-09
CWE:
CWE-79
Bugzilla:
1576275: CVE-2018-5175 Mozilla: Universal CSP bypass on sites using strict-dynamic in their policies

The MITRE CVE dictionary describes this issue as:

A mechanism to bypass Content Security Policy (CSP) protections on sites that have a "script-src" policy of "'strict-dynamic'". If a target website contains an HTML injection flaw an attacker could inject a reference to a copy of the "require.js" library that is part of Firefox's Developer Tools, and then use a known technique using that library to bypass the CSP restrictions on executing injected scripts. This vulnerability affects Firefox < 60.

Find out more about CVE-2018-5175 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 6.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Impact Low
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 thunderbird Not affected
Red Hat Enterprise Linux 7 firefox Not affected
Red Hat Enterprise Linux 6 firefox Not affected
Red Hat Enterprise Linux 6 thunderbird Not affected

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Masato Kinugawa as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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