Vulnerability Report

CVE-2009-4565

Title: Sendmail Cryptographic Failures

Other

Proof Of Concept

No public PoC currently indexed for CVE-2009-4565.

CWE Category CWE-310
Published Date Jan 04, 2010
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 7.5 CVSS v2.0
Exploit Probability (EPSS)
2.37%

Vulnerability Summary

CVE-2009-4565: 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.

Impacted Vendors

E
eric_allman 1
M
metainfo 1
S
sendmail 1
R
redhat 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html http://marc.info/?l=bugtraq&m=126953289726317&w=2 http://secunia.com/advisories/37998 http://secunia.com/advisories/38314 http://secunia.com/advisories/38915 http://secunia.com/advisories/39088 http://secunia.com/advisories/40109 http://secunia.com/advisories/43366 http://security.gentoo.org/glsa/glsa-201206-30.xml http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021797.1-1 http://www.debian.org/security/2010/dsa-1985 http://www.redhat.com/support/errata/RHSA-2011-0262.html http://www.securityfocus.com/bid/37543 http://www.sendmail.org/releases/8.14.4 http://www.vupen.com/english/advisories/2009/3661 http://www.vupen.com/english/advisories/2010/0719 http://www.vupen.com/english/advisories/2010/1386 http://www.vupen.com/english/advisories/2011/0415 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10255 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11822 http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html http://marc.info/?l=bugtraq&m=126953289726317&w=2 http://secunia.com/advisories/37998 http://secunia.com/advisories/38314 http://secunia.com/advisories/38915 http://secunia.com/advisories/39088 http://secunia.com/advisories/40109 http://secunia.com/advisories/43366 http://security.gentoo.org/glsa/glsa-201206-30.xml http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021797.1-1 http://www.debian.org/security/2010/dsa-1985 http://www.redhat.com/support/errata/RHSA-2011-0262.html http://www.securityfocus.com/bid/37543 http://www.sendmail.org/releases/8.14.4 http://www.vupen.com/english/advisories/2009/3661 http://www.vupen.com/english/advisories/2010/0719 http://www.vupen.com/english/advisories/2010/1386 http://www.vupen.com/english/advisories/2011/0415 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10255 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11822
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-4565 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.