SB2019120909 - Stack-based buffer overflow in HTMLDOC



SB2019120909 - Stack-based buffer overflow in HTMLDOC

Published: December 9, 2019 Updated: March 25, 2020

Security Bulletin ID SB2019120909
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) Stack-based buffer overflow (CVE-ID: CVE-2019-19630)

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

The vulnerability exists in the "hd_strlcpy()" function in "string.c" (when called from "render_contents" in "ps-pdf.cxx") due to a boundary error when processing a crafted HTML document. A remote unauthenticated attacker can trigger stack-based buffer overflow 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.