Improper Certificate Validation in EM-HTTP-Request - CVE-2020-13482

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Main Vulnerability Database Vulnerabilities #VU28457

Improper Certificate Validation in EM-HTTP-Request - CVE-2020-13482

Published: June 1, 2020 / Updated: June 2, 2020


Vulnerability identifier: #VU28457
CSH Severity: Medium
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13482
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

EM-HTTP-Request
Fedora
rubygem-em-http-request

How to mitigate CVE-2020-13482

Install update from vendor's website.

EM-HTTP-Request - update to 1.1.6
rubygem-em-http-request - addressed in versions 1.1.7-1.fc32, 1.1.7-1.fc33

External References

Related Security Bulletins