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cve[email protected]CVE-2015-4490
HistoryAug 16, 2015 - 1:59 a.m.

CVE-2015-4490

2015-08-1601:59:18
CWE-79
web.nvd.nist.gov
51
firefox
cve-2015-4490
xss
csp
security vulnerability
nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

8.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.8%

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.

Affected configurations

NVD
Node
mozillafirefoxRange39.0.3
Node
canonicalubuntu_linuxMatch12.04lts
OR
canonicalubuntu_linuxMatch14.04lts
OR
canonicalubuntu_linuxMatch15.04
OR
opensuseopensuseMatch13.1
OR
opensuseopensuseMatch13.2
Node
oraclesolarisMatch11.3
CPENameOperatorVersion
mozilla:firefoxmozilla firefoxle39.0.3

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

8.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.8%