SB2023050118 - Improper certificate validation in CPAN HTTP Tiny
Published: May 1, 2023
Security Bulletin ID
SB2023050118
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2023-31486)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to missing verification of the TLS certificate. A remote attacker can perform MitM attack and trick the application into downloading a malicious file.Remediation
Install update from vendor's website.
References
- https://www.openwall.com/lists/oss-security/2023/04/18/14
- https://hackeriet.github.io/cpan-http-tiny-overview/
- https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
- https://www.reddit.com/r/perl/comments/111tadi/psa_httptiny_disabled_ssl_verification_by_default/
- http://www.openwall.com/lists/oss-security/2023/04/29/1