SB2020120804 - Debian update for trafficserver

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Main Vulnerability Database SB2020120804

SB2020120804 - Debian update for trafficserver

Published: December 8, 2020

Security Bulletin ID SB2020120804
CSH 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 vulnerabilities.


1) Memory leak (CVE-ID: CVE-2020-17508)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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


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

The vulnerability exists due memory leak. A remote attacker can send a specially crafted request to the server and obtain memory contents.


2) Input validation error (CVE-ID: CVE-2020-17509)

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 perform cache poisoning attacks.

The vulnerability exists due to insufficient validation of user-supplied input in Apache Traffic Server when negative cache option is enabled. A remote attacker can send specially crafted data to the proxy server and poison negative server's cache.


Remediation

Install update from vendor's website.

References