Eric Allman Sendmail 8.6.10 Mail From improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Eric Allman Sendmail 8.6.10 (Mail Server Software). It has been rated as very critical. Affected by this issue is an unknown function of the component Mail From Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. Using CWE to declare the problem leads to CWE-287. Impacted is confidentiality, integrity, and availability. CVE summarizes:

in sendmail attackers can gain root privileges via smtp by specifying an improper "mail from" address and an invalid "rcpt to" address that would cause the mail to bounce to a program.

The weakness was released 08/17/1995. This vulnerability is handled as CVE-1999-0203. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/03/2017). This vulnerability has a historic impact due to its background and reception.

The vulnerability scanner Nessus provides a plugin with the ID 10258 (Sendmail MAIL FROM Command Arbitrary Remote Command Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems.

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 662.

The vulnerability is also documented in the databases at SecurityFocus (BID 2308), X-Force (518), Vulnerability Center (SBV-230) and Tenable (10258). Entry connected to this vulnerability is available at 13707.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 10258
Nessus Name: Sendmail MAIL FROM Command Arbitrary Remote Command Execution
Nessus File: 🔍
Nessus Family: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 662
Snort Message: SERVER-MAIL Sendmail 5.5.5 exploit
Snort Class: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍


08/17/1995 🔍
08/17/1995 +0 days 🔍
08/17/1995 +0 days 🔍
08/22/1999 +1466 days 🔍
11/25/2002 +1191 days 🔍
06/17/2014 +4222 days 🔍
04/15/2016 +668 days 🔍
07/03/2017 +444 days 🔍


Status: Not defined

CVE: CVE-1999-0203 (🔍)
SecurityFocus: 2308
X-Force: 518
Vulnerability Center: 230 - Buffer Overflow in Sendmail, High

See also: 🔍


Created: 06/17/2014 04:33 PM
Updated: 07/03/2017 09:11 AM
Changes: (9) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_securityfocus source_mcafee_ips_id source_mcafee_ips_version
Complete: 🔍


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