SB2020050404 - Debian update for trafficserver

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Main Vulnerability Database SB2020050404

SB2020050404 - Debian update for trafficserver

Published: May 4, 2020

Security Bulletin ID SB2020050404
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
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 4 vulnerabilities.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-17559)

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 improper input validation in HTTP headers and scheme parsing. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.


2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-17565)

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 improper input validation in HTTP headers and chunked encoding. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.


3) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2020-1944)

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 improper input validation in HTTP headers and a Content-Length header. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.


4) Resource management error (CVE-ID: CVE-2020-9481)

CWE-ID: CWE-399 - Resource Management Errors

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 the affected software is vulnerable to a HTTP/2 slow read attack. A remote attacker can send HTTP requests in pieces slowly, one at a time to a Web server and cause a denial of service condtion on the target system.


Remediation

Install update from vendor's website.

References