SB2018083006 - Multiple vulnerabilities in Apache Traffic Server 

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Main Vulnerability Database SB2018083006

SB2018083006 - Multiple vulnerabilities in Apache Traffic Server

Published: August 30, 2018

Security Bulletin ID SB2018083006
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 40% Low 60%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Segmentation fault (CVE-ID: CVE-2018-1318)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to a segmentation fault when adding method ACLs in remap.config. A remote attacker can send a specially crafted request and cause the service to crash.


2) Segmentation fault (CVE-ID: CVE-2018-8022)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to a segmentation fault. A remote attacker can use a specially crafted invalid TLS handshake and cause the service to crash.


3) Information disclosure (CVE-ID: CVE-2018-8005)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to the reading of the entire object from cache. A remote attacker can use a range request containing multiple ranges to obtain sensitive information.


4) Security restrictions bypass (CVE-ID: CVE-2018-8004)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to multiple HTTP smuggling and cache poisoning issues when clients make malicious requests. A remote attacker can send a specially crafted request and bypass security restrictions to conduct further attacks.


5) Security restrictions bypass (CVE-ID: CVE-2018-8040)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when pages are rendered using the ESI plugin. A remote attacker can bypass security restrictions and gain header variable access in the ESI plugin.


Remediation

Install update from vendor's website.

References