National Cyber Awareness System
Vulnerability Summary for CVE-2009-4565
Original release date:01/04/2010
Last revised:04/05/2013
Source:
US-CERT/NIST
Overview
sendmail before 8.14.4 does not properly handle a '\0' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
Official Statement from Red Hat (01/21/2010)
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-4565
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2009-3661
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://www.sendmail.org/releases/8.14.4
Type: Patch Information
External Source: VUPEN
Name: ADV-2011-0415
External Source: VUPEN
Name: ADV-2010-1386
External Source: VUPEN
Name: ADV-2010-0719
External Source: BID
Name: 37543
External Source: REDHAT
Name: RHSA-2011:0262
External Source: DEBIAN
Name: DSA-1985
External Source: SUNALERT
Name: 1021797
External Source: GENTOO
Name: GLSA-201206-30
External Source: SECUNIA
Name: 43366
External Source: SECUNIA
Name: 40109
External Source: SECUNIA
Name: 39088
External Source: SECUNIA
Name: 38915
External Source: SECUNIA
Name: 38314
External Source: SECUNIA
Name: 37998
Type: Advisory
External Source: OVAL
Name: oval:org.mitre.oval:def:11822
External Source: OVAL
Name: oval:org.mitre.oval:def:10255
External Source: HP
Name: SSRT100007
External Source: HP
Name: SSRT100007
External Source: SUSE
Name: SUSE-SR:2010:006
References to Check Content
Identifier:oval:org.mitre.oval:def:10255
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:11822
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
