PT-2018-8248 · Mozilla+1 · Firefox+1

Jim Chen · Published 2017-03-20 · Updated 2019-10-03 · CVE-2017-5397

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 51.0.3

Description: The issue arises from the cache directory on the local file system being set to world writable, allowing Firefox to extract libraries from this cache. This setup enables a potentially installed malicious application or tools with write access to the file system to replace files used by Firefox with their own versions.

Recommendations: For versions prior to 51.0.3, update to version 51.0.3 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-829

Related Identifiers

ALT-PU-2017-1322

ALT-PU-2017-1578

CVE-2017-5397

Affected Products

Alt Linux

Firefox

References · 5

• https://bugzilla.mozilla.org/show_bug.cgi?id=1337304 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-5397 · Security Note
• https://osv.dev/vulnerability/CVE-2017-5397 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2017-04 · Vendor Advisory
• http://securityfocus.com/bid/96144 · Note