SB2020022523 - Red Hat Linux 8 update for nodejs:12



SB2020022523 - Red Hat Linux 8 update for nodejs:12

Published: February 25, 2020

Security Bulletin ID SB2020022523
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 vulnerabilities.


1) Reachable assertion (CVE-ID: CVE-2019-15604)

CWE-ID: CWE-617 - Reachable Assertion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to insufficient validation of X509 certificates in X509V3_EXT_print(). A remote attacker can supply a specially crafted client certificate to the application and perform a denial of service attack.


2) HTTP request smuggling (CVE-ID: CVE-2019-15605)

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to insufficient validation of Transfer-Encoding header. A remote attacker can send a specially crafted HTTP request to the application and perform a request smuggling attack.


3) Input validation error (CVE-ID: CVE-2019-15606)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to manipulate HTTP headers.

The vulnerability exists due to insufficient validation of a trailing white-space character in the request headers. A remote attacker can send a specially crafted HTTP request to the application and bypass certain security restrictions.


Remediation

Install update from vendor's website.