SB2020020423 - Red Hat update for go-toolset:rhel8

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Main Vulnerability Database SB2020020423

SB2020020423 - Red Hat update for go-toolset:rhel8

Published: February 4, 2020

Security Bulletin ID SB2020020423
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-16276)

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to Go programming language accepts and normalizes HTTP requests with malformed HTTP/1.1 headers containing a space before the colon. A remote attacker can use a malformed request to bypass configured filtration and gain access to presumably restricted functionality.


2) Input validation error (CVE-ID: CVE-2019-17596)

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

The vulnerability exists due to insufficient validation of DSA public keys in crypto/x509.Verify. A remote attacker can pass a specially crafted X.509 certificate chain to the application and perform a denial of service attack.


Remediation

Install update from vendor's website.

References