Eric Allman Sendmail 8.8/8.9.2 Header denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Eric Allman Sendmail 8.8/8.9.2. The affected element is an unknown function of the component Header Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-1999-0393. The attack is possible to be carried out remotely. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Eric Allman Sendmail 8.8/8.9.2 (Mail Server Software). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component Header Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.

The weakness was disclosed 01/01/1999 by Michal Zalewski as not defined posting (Bugtraq). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-1999-0393. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 11352 (Sendmail < 8.9.3 Header Prescan Function Message Header DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (23167), Tenable (11352), SecurityFocus (BID 8674†) and Vulnerability Center (SBV-1225†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11352
Nessus Name: Sendmail < 8.9.3 Header Prescan Function Message Header DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11352
OpenVAS Name: Sendmail Parsing Redirection DOS
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

12/12/1998 🔍
12/12/1998 +0 days 🔍
01/01/1999 +20 days 🔍
01/01/1999 +0 days 🔍
03/11/2003 +1530 days 🔍
06/22/2003 +103 days 🔍
06/19/2014 +4015 days 🔍
08/19/2024 +3714 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Michal Zalewski
Status: Not defined

CVE: CVE-1999-0393 (🔍)
GCVE (CVE): GCVE-0-1999-0393
GCVE (VulDB): GCVE-100-14317
SecurityFocus: 8674 - Sendmail Headers Prescan Denial Of Service Vulnerability
Vulnerability Center: 1225 - DoS in Sendmail through Messages with Large Number of Headers, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/20/2014 00:28
Updated: 08/19/2024 07:03
Changes: 06/20/2014 00:28 (62), 05/10/2019 07:52 (14), 08/19/2024 07:03 (16)
Complete: 🔍
Cache ID: 216::103

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