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Mozilla Firefox Security Advisory (MFSA2015-148) - Linux

Information

Severity

Severity

Medium

Family

Family

General

CVSSv2 Base

CVSSv2 Base

4.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

This host is missing a security update for Mozilla Firefox.

Insight

Insight

Privilege escalation vulnerabilities in WebExtension APIs Mozilla developer Kris Maglione reported a mechanism where WebExtension APIs could be used to escalate privilege. This could allow arbitrary web content to execute code with the privileges of a particular WebExtension when using these API calls. Depending on the privileges of the extension used, this could result in personal information theft and cross-site scripting (XSS) attacks, including theft of browser cookies. This is mitigated by the requirement to have a WebExtension installed that is vulnerable to this issue.

Affected Software

Affected Software

Firefox version(s) below 43.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

The vendor has released an update. Please see the reference(s) for more information.

Common Vulnerabilities and Exposures (CVE)