Information disclosure in HAProxy - CVE-2018-11469

 

Information disclosure in HAProxy - CVE-2018-11469

Published: May 31, 2018 / Updated: June 1, 2018


Vulnerability identifier: #VU13126
CSH Severity: Low
CVSS v4.0: 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:Clear
CVE-ID: CVE-2018-11469
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: HAProxy
Affected software:
HAProxy

Detailed vulnerability description

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.


How to mitigate CVE-2018-11469

Install update from vendor's website.

Sources