CVE-2016-1954
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Description
The CVE Program describes this issue as:
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.
Additional information
- Bugzilla 1315569: Mozilla: Local file overwriting and potential privilege escalation through CSP reports (MFSA 2016-17)
- FAQ: Frequently asked questions about CVE-2016-1954
Common Vulnerability Scoring System (CVSS) Score Details
Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
| Red Hat | NVD | |
|---|---|---|
CVSS v2 Base Score | 4.3 | 6.8 |
Attack Vector | Network | Network |
Access Complexity | Medium | Medium |
Authentication | None | None |
Confidentiality Impact | None | Partial |
Integrity Impact | Partial | Partial |
Availability Impact | None | Partial |
CVSS v2 Vector
Red Hat: AV:N/AC:M/Au:N/C:N/I:P/A:N
NVD: AV:N/AC:M/Au:N/C:P/I:P/A:P
Acknowledgements
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Nicolas Golubovic as the original reporter.
Frequently Asked Questions
Why is Red Hat's CVSS v3 score or Impact different from other vendors?
My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?
What can I do if my product is listed as "Will not fix"?
What can I do if my product is listed as "Fix deferred"?
What is a mitigation?
I have a Red Hat product but it is not in the above list, is it affected?
Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?
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