SB2018092708 - Red Hat update for firefox



SB2018092708 - Red Hat update for firefox

Published: September 27, 2018

Security Bulletin ID SB2018092708
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2018-12383)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to the older stored password file was not deleted when the data was copied to a new format starting. A remote unauthenticated attacker can access stored password data.


2) Input validation error (CVE-ID: CVE-2018-12385)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists within the TransportSecurityInfo function due to insufficient validation of data stored in the local cache in the user profile directory. A remote attacker with ability to write data into local cache (e.g. with combination of another vulnerability) can execute arbitrary code on the target system.


Remediation

Install update from vendor's website.