Improper Certificate Validation in Apache Commons HttpClient

Vulnerability identifier: #VU80741

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-5783

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Commons HttpClient
Other software / Other software solutions

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle attack to spoof SSL servers via an arbitrary valid certificate.

The vulnerability exists due to Apache Commons HttpClient does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate. A remote attacker can perform a man-in-the-middle attack to spoof SSL servers via an arbitrary valid certificate.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Commons HttpClient: All versions

Q & A

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.

#VU80741 Improper Certificate Validation in Apache Commons HttpClient

Q & A

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