SB20200903103 - Heap-based buffer overflow in firefox-esr (Alpine package)

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Main Vulnerability Database SB20200903103

SB20200903103 - Heap-based buffer overflow in firefox-esr (Alpine package)

Published: September 3, 2020

Security Bulletin ID SB20200903103
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2018-8795)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an integer overflow. A remote attacker can trick the victim who is using a Remote Desktop Protocol (RDP) client on a targeted system into connecting to an attacker-controlled RDP server, trigger out-of-bounds write condition in the process_bitmap_updates() function and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References