CVE-2016-1954 Path traversal in n/a

What is CVE-2016-1954?

CVE-2016-1954 is a high-severity path traversal vulnerability in Mozilla Firefox, published on 13 Mar 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-264

Which versions are affected by CVE-2016-1954?

It affects 6 products.

Products include Mozilla Firefox, Mozilla Thunderbird, Novell Suse Package Hub for Suse Linux Enterprise, Opensuse Leap, Opensuse Opensuse, Oracle Linux.

How do I fix CVE-2016-1954?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2016-1954 being exploited?

There is no known exploitation of CVE-2016-1954 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-1954, GHSA-hh86-fc79-9mq4, UBUNTU-CVE-2016-1954.