ISC INN up to 2.2.2 Cancel Request Message-ID memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ISC INN 2.0/2.1/2.2/2.2.1/2.2.2. Affected is an unknown function of the component Cancel Request Handler. The manipulation of the argument Message-ID leads to memory corruption. This vulnerability is documented as CVE-2000-0472. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ISC INN 2.0/2.1/2.2/2.2.1/2.2.2. This issue affects some unknown functionality of the component Cancel Request Handler. The manipulation of the argument Message-ID 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, and integrity. The summary by CVE is:

Buffer overflow in innd 2.2.2 allows remote attackers to execute arbitrary commands via a cancel request containing a long message ID.

The weakness was released 02/06/2000 by Michal Zalewski (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2000-0472. The exploitation is known to be easy. 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. The exploit is available at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 10436 (INN < 2.2.3 verifycancels Option Cancel Request Message Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gain a shell remotely and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 54001 (InterNetNews Daemon (INND) 2.X News Server Buffer Overflow Vulnerability).

Upgrading to version 2.2.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4615), Exploit-DB (19998), Tenable (10436), SecurityFocus (BID 1316†) and Vulnerability Center (SBV-140†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

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Nessus ID: 10436
Nessus Name: INN < 2.2.3 verifycancels Option Cancel Request Message Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: INN 2.2.3
ISS Proventia IPS: 🔍

Timelineinfo

02/06/2000 🔍
02/06/2000 +0 days 🔍
02/06/2000 +0 days 🔍
06/06/2000 +121 days 🔍
06/07/2000 +1 days 🔍
10/16/2002 +861 days 🔍
06/23/2014 +4268 days 🔍
10/14/2025 +4131 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: xforce.iss.net
Researcher: Michal Zalewski
Status: Confirmed

CVE: CVE-2000-0472 (🔍)
GCVE (CVE): GCVE-0-2000-0472
GCVE (VulDB): GCVE-100-15311
X-Force: 4615
SecurityFocus: 1316 - ISC innd 2.x Remote Buffer Overflow Vulnerability
Vulnerability Center: 140 - Buffer Overflow in innd 2.2.2, Medium

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

Entryinfo

Created: 06/23/2014 17:17
Updated: 10/14/2025 06:41
Changes: 06/23/2014 17:17 (66), 05/05/2019 09:34 (6), 12/14/2024 19:06 (19), 10/14/2025 06:41 (2)
Complete: 🔍
Cache ID: 216::103

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