Vulnerability identifier: #VU13126
Vulnerability risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
HAProxy
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: HAProxy
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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
HAProxy: 1.8.0 - 1.8.9
External links
http://git.haproxy.org/?p=haproxy-1.8.git&a=commit&h=17514045e5d934dede62116216c1b0...
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.