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Improper Input Validation Affecting firefox package, versions <55.0.1+build2-0ubuntu0.17.04.2

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.43% (75th percentile)

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  • Snyk IDSNYK-UBUNTU1704-FIREFOX-423166
  • published11 Jun 2018
  • disclosed11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-7807  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Ubuntu:17.04 firefox to version 55.0.1+build2-0ubuntu0.17.04.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:17.04 relevant fixed versions and status.

A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.