SB2018100113 - Improper Validation of Array Index in Fedoraproject Fedora



SB2018100113 - Improper Validation of Array Index in Fedoraproject Fedora

Published: October 1, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018100113
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Validation of Array Index (CVE-ID: CVE-2018-17848)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The html package (aka x/net/html) through 2018-09-25 in Go mishandles <math><template><mn><b></template>, leading to a "panic: runtime error" (index out of range) in (*insertionModeStack).pop in node.go, called from inHeadIM, during an html.Parse call.


Remediation

Install update from vendor's website.