SB2018102311 - OpenSUSE Linux update for haproxy

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Main Vulnerability Database SB2018102311

SB2018102311 - OpenSUSE Linux update for haproxy

Published: October 23, 2018

Security Bulletin ID SB2018102311
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


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.


2) Buffer over-read (CVE-ID: CVE-2018-14645)

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

The vulnerability exists due to a boundary condition within the HPACK decoder in hpack_valid_idx() function. A remote attacker can send a specially specially crafted HTTP/2 request, trigger out-of-bounds read error and perform a denial of service attack.


Remediation

Install update from vendor's website.

References