7.2
HIGH
CVE-2005-0021
Exim Buffer Overflow Vulnerability
Description

Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function.

INFO

Published Date :

May 2, 2005, 4 a.m.

Last Modified :

Nov. 20, 2024, 11:54 p.m.

Remotely Exploitable :

No

Impact Score :

10.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2005-0021 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 University_of_cambridge exim
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2005-0021.

URL Resource
http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44
http://security.gentoo.org/glsa/glsa-200501-23.xml Vendor Advisory
http://www.debian.org/security/2005/dsa-635 Vendor Advisory
http://www.debian.org/security/2005/dsa-637 Vendor Advisory
http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html
http://www.idefense.com/application/poi/display?id=179&type=vulnerabilities Vendor Advisory
http://www.idefense.com/application/poi/display?id=183&type=vulnerabilities Exploit Vendor Advisory
http://www.kb.cert.org/vuls/id/132992 Patch US Government Resource
http://www.redhat.com/support/errata/RHSA-2005-025.html Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10347
http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44
http://security.gentoo.org/glsa/glsa-200501-23.xml Vendor Advisory
http://www.debian.org/security/2005/dsa-635 Vendor Advisory
http://www.debian.org/security/2005/dsa-637 Vendor Advisory
http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html
http://www.idefense.com/application/poi/display?id=179&type=vulnerabilities Vendor Advisory
http://www.idefense.com/application/poi/display?id=183&type=vulnerabilities Exploit Vendor Advisory
http://www.kb.cert.org/vuls/id/132992 Patch US Government Resource
http://www.redhat.com/support/errata/RHSA-2005-025.html Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10347

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-2005-0021 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2005-0021 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]

    Oct. 11, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10347 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10347 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 13, 2005

    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-2005-0021 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-2005-0021 weaknesses.

Exploit Prediction

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

0.19 }} 0.00%

score

0.54437

percentile

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