CVE-2003-0540

Postfix 1.1.x - Denial of Service

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a denial of service (lock) via (1) a malformed envelope address to a local host that would generate a bounce and contains the ".!" string in the MAIL FROM or Errors-To headers, which causes nqmgr to lock up, or (2) via a valid MAIL FROM with a RCPT TO containing a ".!" string, which causes an instance of the SMTP listener to lock up.

El código de procesamiento de direcciones en Postfix 1.1.12 y anteriores permite a atacantes remotos causar una denegación de servicio (bloqueo) mediante (1) una dirección envoltorio malformada a una máquina local que generaría un rebote y que contenga la cadena ".!" en las cabeceras MAIL FROM Y Errors-To, lo que hace que nqmgrse cuelge, o (2) mediante un MAIL FROM con un RCPT TO conteniendo una cadena ".!", lo que hace que una instancia del oyente SMTP se cuelgue.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2003-07-14 CVE Reserved
2003-08-04 First Exploit
2003-08-05 CVE Published
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (15)

URL	Tag	Source
http://lists.grok.org.uk/pipermail/full-disclosure/2003-August/007693.html	Mailing List
http://marc.info/?l=bugtraq&m=106001525130257&w=2	Mailing List
http://secunia.com/advisories/9433	Third Party Advisory
http://www.kb.cert.org/vuls/id/895508	Third Party Advisory
http://www.securityfocus.com/bid/8333	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A544	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/22981	2003-08-04
https://www.exploit-db.com/exploits/22982	2003-08-04

URL	Date	SRC
http://www.debian.org/security/2003/dsa-363	2017-10-11
http://www.redhat.com/support/errata/RHSA-2003-251.html	2017-10-11

URL	Date	SRC
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000717	2017-10-11
http://marc.info/?l=bugtraq&m=106029188614704&w=2	2017-10-11
http://www.linuxsecurity.com/advisories/engarde_advisory-3517.html	2017-10-11
http://www.mandriva.com/security/advisories?name=MDKSA-2003:081	2017-10-11
http://www.novell.com/linux/security/advisories/2003_033_postfix.html	2017-10-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				1.0.21 Search vendor "Wietse Venema" for product "Postfix" and version "1.0.21"		-		Affected
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				1.1.11 Search vendor "Wietse Venema" for product "Postfix" and version "1.1.11"		-		Affected
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				1.1.12 Search vendor "Wietse Venema" for product "Postfix" and version "1.1.12"		-		Affected
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				1999-09-06 Search vendor "Wietse Venema" for product "Postfix" and version "1999-09-06"		-		Affected
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				1999-12-31 Search vendor "Wietse Venema" for product "Postfix" and version "1999-12-31"		-		Affected
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				2000-02-28 Search vendor "Wietse Venema" for product "Postfix" and version "2000-02-28"		-		Affected
Wietse Venema Search vendor "Wietse Venema"		Postfix Search vendor "Wietse Venema" for product "Postfix"				2001-11-15 Search vendor "Wietse Venema" for product "Postfix" and version "2001-11-15"		-		Affected
Conectiva Search vendor "Conectiva"		Linux Search vendor "Conectiva" for product "Linux"				7.0 Search vendor "Conectiva" for product "Linux" and version "7.0"		-		Affected
Conectiva Search vendor "Conectiva"		Linux Search vendor "Conectiva" for product "Linux"				8.0 Search vendor "Conectiva" for product "Linux" and version "8.0"		-		Affected