Improper certificate validation in IBM AIX



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-5783
CWE-ID CWE-295
Exploitation vector Network
Public exploit N/A
Vulnerable software
 IBM AIX
Operating systems & Components / Operating system

IBM VIOS
Server applications / Application servers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Certificate Validation

EUVDB-ID: #VU80741

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-5783

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

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 update from vendor's website.

Vulnerable software versions

IBM AIX: before 7.1.5 SP12

IBM VIOS: before 3.1.2.60

CPE2.3 External links

https://www.ibm.com/support/pages/node/6983589


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.



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