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CVE-2016-1954

UnknownEPSS 2.34%

Last modified

CVE-2016-1954 is a vulnerability of currently unknown severity. The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not prevent use of a non-HTTP report-uri for a Content Security Policy (CSP) violation report, which allows remote attackers to cause a denial of service (data overwrite) or possibly gain privileges by specifying a URL of a local file.. EPSS estimates a 2.34% chance of exploitation in the next 30 days.

Description

The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not prevent use of a non-HTTP report-uri for a Content Security Policy (CSP) violation report, which allows remote attackers to cause a denial of service (data overwrite) or possibly gain privileges by specifying a URL of a local file.

Metrics

EPSS Probability
2.34%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox<= 44.0.2
MozillaFirefox38.0
MozillaFirefox38.0.1
MozillaFirefox38.0.5
MozillaFirefox38.1.0
MozillaFirefox38.1.1
MozillaFirefox38.2.0
MozillaFirefox38.2.1
MozillaFirefox38.3.0
MozillaFirefox38.4.0
MozillaFirefox38.5.0
MozillaFirefox38.5.1
MozillaFirefox38.6.0
MozillaFirefox38.6.1
MozillaThunderbird<= 38.6.0
NovellSuse Package Hub For Suse Linux Enterprise12
OpensuseLeap42.1
OpensuseOpensuse13.1
OpensuseOpensuse13.2
OracleLinux5.0
OracleLinux6
OracleLinux7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-1954?
The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not prevent use of a non-HTTP report-uri for a Content Security Policy (CSP) violation report, which allows remote attackers to cause a denial of service (data overwrite) or possibly gain privileges by specifying a URL of a local file.
How severe is CVE-2016-1954?
Severity scoring for CVE-2016-1954 is pending analysis. The EPSS model estimates a 2.34% probability of exploitation in the next 30 days.
How do I fix CVE-2016-1954?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-1954?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST