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CVE-2009-3766

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Date: October 23, 2009

mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Language: C

Severity Score

Related Resources (6)

https://access.redhat.com/security/cve/CVE-2009-3766
http://dev.mutt.org/trac/ticket/3087
https://nvd.nist.gov/vuln/detail/CVE-2009-3766
http://marc.info/?l=oss-security&m=125198917018936&w=2
http://www.openwall.com/lists/oss-security/2009/10/26/1
https://www.mend.io/vulnerability-database/CVE-2009-3766

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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