#VU28457 Improper Certificate Validation in EM-HTTP-Request


Published: 2020-06-01 | Updated: 2020-06-02

Vulnerability identifier: #VU28457

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13482

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EM-HTTP-Request
Web applications / Modules and components for CMS

Vendor: Ilya Grigorik

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to the affected software uses the library eventmachine in an insecure way when the hostname in a TLS server certificate is not verified. A remote attacker can perform a MitM attack against users of the library.

Mitigation
Install update from vendor's website.

Vulnerable software versions

EM-HTTP-Request: 1.0.0 - 1.1.5


External links
http://github.com/igrigorik/em-http-request/issues/339
http://github.com/igrigorik/em-http-request/commit/7e27434e0afc0ec11f2c914940f9460e8c7401e1


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.


Latest bulletins with this vulnerability