Improper Certificate Validation in Twisted Web

1) Improper Certificate Validation

EUVDB-ID: #VU35100

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-7143

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Python Twisted 14.0 trustRoot is not respected in HTTP client

Mitigation

Install update from vendor's website.

Vulnerable software versions

Twisted Web: 14.0.0

External links

http://www.openwall.com/lists/oss-security/2014/09/22/2
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-7143
http://exchange.xforce.ibmcloud.com/vulnerabilities/96135
http://security-tracker.debian.org/tracker/CVE-2014-7143

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.