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Arbitrary Code Injection Affecting firefox-esr package, versions <52.3.0esr-1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.56% (79th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-354260
  • published11 Jun 2018
  • disclosed11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-7798  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 52.3.0esr-1 or higher.

NVD Description

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

The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55.