7.5
HIGH
CVE-2009-4565
Sendmail SSL Certificate Common Name Field Vulnerability
Description

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.

INFO

Published Date :

Jan. 4, 2010, 9:30 p.m.

Last Modified :

Sept. 19, 2017, 1:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2009-4565 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sendmail sendmail

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2009-4565 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2009-4565 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Sep. 19, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11822 [No Types Assigned]
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10255 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11822 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10255 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 05, 2010

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2009-4565 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2009-4565 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.54 }} 0.00%

score

0.73786

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability