Sendmail NOCHAR prescan memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

A vulnerability was found in Sendmail (Mail Server Software) (affected version not known). It has been rated as critical. This issue affects the function prescan of the component NOCHAR Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 03/18/2003. The weakness was presented 03/29/2003 by Michal Zalewski and Michal Zalewski (Website). The advisory is shared at ftp.sco.com. The identification of this vulnerability is CVE-2003-0161. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed in ANSI C and been published immediately after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 12385 (RHEL 2.1 : sendmail (RHSA-2003:121)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 2183.

The vulnerability is also documented in the databases at X-Force (11653), Tenable (12385) and Exploit-DB (24). See 26 for similar entry.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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

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Nessus ID: 12385
Nessus Name: RHEL 2.1 : sendmail (RHSA-2003:121)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 53346
OpenVAS Name: Debian Security Advisory DSA 278-1 (sendmail)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 2183
Snort Message: SERVER-MAIL Sendmail Content-Transfer-Encoding overflow attempt
Snort Class: 🔍

Suricata ID: 2102259
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Timelineinfo

03/18/2003 🔍
03/24/2003 +5 days 🔍
03/28/2003 +4 days 🔍
03/29/2003 +0 days 🔍
03/29/2003 +0 days 🔍
04/02/2003 +3 days 🔍
04/09/2004 +373 days 🔍
04/12/2016 +4386 days 🔍
07/13/2022 +2283 days 🔍

Sourcesinfo

Advisory: ftp.sco.com
Researcher: Michal Zalewski, Michal Zalewski
Status: Not defined

CVE: CVE-2003-0161 (🔍)
X-Force: 11653
SecurityFocus: 7230 - Sendmail Address Prescan Memory Corruption Vulnerability
Secunia: 12178
OSVDB: 8294 - Sendmail NOCHAR Control Value prescan Overflow

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

Entryinfo

Created: 04/12/2016 02:11 PM
Updated: 07/13/2022 04:07 PM
Changes: 04/12/2016 02:11 PM (66), 10/04/2018 04:24 PM (11), 07/13/2022 04:01 PM (4), 07/13/2022 04:07 PM (1)
Complete: 🔍

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