SB2020072875 - Input validation error in firefox-esr (Alpine package)



SB2020072875 - Input validation error in firefox-esr (Alpine package)

Published: July 28, 2020

Security Bulletin ID SB2020072875
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2020-15658)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to insufficient validation of special characters during file download, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. A remote attacker can override file type when saving data to disk.


Remediation

Install update from vendor's website.