Snort up to 1.9.1 TCP Reassembly Preprocessor integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability classified as very critical was found in Snort up to 1.9.1. Affected by this vulnerability is some unknown functionality of the component TCP Reassembly Preprocessor. The manipulation with an unknown input leads to a integer coercion vulnerability. The CWE definition for the vulnerability is CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, which enable a heap-based buffer overflow.

The bug was discovered 03/03/2003. The weakness was disclosed 04/15/2003 by Martin with Core Security Technologies (Website). The advisory is shared at coresecurity.com. This vulnerability is known as CVE-2003-0209 since 04/15/2003. 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. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/08/2021).

After immediately, there has been an exploit disclosed. It is possible to download the exploit at archives.neohapsis.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 43 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 14036 (Mandrake Linux Security Advisory : snort (MDKSA-2003:052)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.

Upgrading to version 2.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at snort.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11799), Tenable (14036) and Exploit-DB (18).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Integer coercion
CWE: CWE-192 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

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Price Prediction: 🔍
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Nessus ID: 14036
Nessus Name: Mandrake Linux Security Advisory : snort (MDKSA-2003:052)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Nessus Port: 🔍

OpenVAS ID: 53725
OpenVAS Name: Debian Security Advisory DSA 297-1 (snort)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Snort 2.0
Patch: snort.org
ISS Proventia IPS: 🔍

Timelineinfo

03/03/2003 🔍
04/15/2003 +43 days 🔍
04/15/2003 +0 days 🔍
04/15/2003 +0 days 🔍
04/15/2003 +0 days 🔍
04/15/2003 +0 days 🔍
04/23/2003 +8 days 🔍
04/28/2003 +5 days 🔍
05/05/2003 +7 days 🔍
07/30/2003 +86 days 🔍
03/22/2004 +236 days 🔍
07/31/2004 +130 days 🔍
03/08/2021 +6064 days 🔍

Sourcesinfo

Advisory: coresecurity.com
Researcher: Discovery (Martin)
Organization: Core Security Technologies
Status: Not defined

CVE: CVE-2003-0209 (🔍)
X-Force: 11799 - Snort stream4 reassemble module buffer overflow, High Risk
Vulnerability Center: 1537 - Integer Overflow in Snort TCP stream4 Module Allows Arbitrary Code Execution, Critical
SecuriTeam: securiteam.com
SecurityFocus: 7178 - Snort TCP Packet Reassembly Integer Overflow Vulnerability
OSVDB: 4444 - Snort stream4 Reassemble Module Overflow

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

Entryinfo

Created: 04/15/2003 02:00
Updated: 03/08/2021 08:42
Changes: 04/15/2003 02:00 (98), 07/24/2019 16:20 (3), 03/08/2021 08:42 (2)
Complete: 🔍

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