SB2018060109 - Information disclosure in HAProxy



SB2018060109 - Information disclosure in HAProxy

Published: June 1, 2018

Security Bulletin ID SB2018060109
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2018-11469)

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists in the check_request_for_cacheability function of HAProxy due to improper caching of responses for requests that include an authorization header by the check_request_for_cacheability function, as defined in the proto_http.csource code file. A remote attacker can send a specially crafted request and access sensitive information, which could be used to conduct further attacks.


Remediation

Install update from vendor's website.