Sendmail Decode Alias privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Sendmail. This affects an unknown part of the component Decode Alias Handler. Performing a manipulation results in privileges management. This vulnerability is known as CVE-1999-0096. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Sendmail (Mail Server Software) (affected version not known). It has been classified as critical. This affects some unknown functionality of the component Decode Alias Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on integrity.

The weakness was published 12/10/1996 as not defined advisory (Website). The advisory is shared at sunsolve.sun.com. This vulnerability is uniquely identified as CVE-1999-0096. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 10248 (Sendmail decode Alias Arbitrary File Overwrite), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 74044 (Mail Server Uudecode Vulnerability).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 659. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1028.

The vulnerability is also documented in the databases at X-Force (126), Tenable (10248) and Vulnerability Center (SBV-210†). Similar entry is available at VDB-13667. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10248
Nessus Name: Sendmail decode Alias Arbitrary File Overwrite
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 659
Snort Message: SERVER-MAIL Sendmail expn decode
Snort Class: 🔍

Suricata ID: 2100659
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

12/10/1996 🔍
12/10/1996 +0 days 🔍
12/10/1996 +0 days 🔍
08/30/1999 +993 days 🔍
10/23/2002 +1150 days 🔍
06/17/2014 +4255 days 🔍
04/16/2026 +4321 days 🔍

Sourcesinfo

Advisory: sunsolve.sun.com⛔
Status: Confirmed

CVE: CVE-1999-0096 (🔍)
GCVE (CVE): GCVE-0-1999-0096
GCVE (VulDB): GCVE-100-13785
X-Force: 126
Vulnerability Center: 210 - SendMail file overwrite, Medium

See also: 🔍

Entryinfo

Created: 06/17/2014 17:58
Updated: 04/16/2026 11:43
Changes: 06/17/2014 17:58 (66), 05/05/2019 15:58 (8), 04/16/2026 11:43 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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