SB2017111713 - Use-after-free in lynx.invisible-island.net lynx



SB2017111713 - Use-after-free in lynx.invisible-island.net lynx

Published: November 17, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017111713
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use-after-free (CVE-ID: CVE-2017-1000211)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in memory disclosure, because HTML_put_string() can append a chunk onto itself.


Remediation

Install update from vendor's website.