CVE-2015-4490

Mozilla: Mozilla Content Security Policy allows for asterisk wildcards in violation of CSP specification (MFSA 2015-91)

Published Aug 16, 2015 CVSS 2.0 · 4.3 Medium EPSS 2.4% KEV · Not listed
Description
The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem URL schemes during wildcard source-expression matching, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks by leveraging unexpected policy-enforcement behavior.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2015-4510 The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem URL schemes during wildcard source-expression matching, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks by leveraging unexpected policy-enforcement behavior.
Ubuntu USN Ubuntu USN USN-2702-1 Firefox vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 6, 2024, 6:18 AM
Reserved
Jun 10, 2015, 12:00 AM
Status
Modified
Published
Aug 16, 2015, 1:59 AM
Modified
Jun 17, 2026, 12:27 AM
Severity
Moderate
Public date
Aug 11, 2015, 12:00 AM