cve/2009/CVE-2009-3765.md

### [CVE-2009-3765](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3765)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

mutt_ssl.c in mutt 1.5.19 and 1.5.20, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/chnzzh/OpenSSL-CVE-lib
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00			`### [CVE-2009-3765](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3765)`
			`![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)`
Update CVE list 2025-09-29 21:09 2025-09-29 21:09:30 +02:00			`![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)`
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00
			`### Description`

			`mutt_ssl.c in mutt 1.5.19 and 1.5.20, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.`

			`### POC`

			`#### Reference`
			`No PoCs from references.`

			`#### Github`
			`- https://github.com/ARPSyndicate/cvemon`
			`- https://github.com/chnzzh/OpenSSL-CVE-lib`