SourceFire Snort 2.1.0/2.1.1 Rc1/2.1.3/2.2 Verbose Mode decode.c decodetcpoptions denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in SourceFire Snort 2.1.0/2.1.1 Rc1/2.1.3/2.2. It has been declared as problematic. This affects the function decodetcpoptions of the file decode.c of the component Verbose Mode. The manipulation results in denial of service. This vulnerability is identified as CVE-2004-2652. Additionally, an exploit exists. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability classified as critical has been found in SourceFire Snort 2.1.0/2.1.1 Rc1/2.1.3/2.2. Affected is the function decodetcpoptions of the file decode.c of the component Verbose Mode. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The DecodeTCPOptions function in decode.c in Snort before 2.3.0, when printing TCP/IP options using FAST output or verbose mode, allows remote attackers to cause a denial of service (crash) via packets with invalid TCP/IP options, which trigger a null dereference.

The bug was discovered 12/22/2004. The weakness was released 12/24/2004 by Marcin Zgorecki (Website). The advisory is available at securitytracker.com. This vulnerability is traded as CVE-2004-2652. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

After even before and not, there has been an exploit disclosed. The exploit is shared for download at k-otik.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.3.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (18689), Exploit-DB (25046), SecurityFocus (BID 12084†), OSVDB (12578†) and Secunia (SA13664†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Snort 2.3.0

Timelineinfo

12/22/2004 🔍
12/22/2004 +0 days 🔍
12/22/2004 +0 days 🔍
12/22/2004 +0 days 🔍
12/24/2004 +2 days 🔍
12/24/2004 +0 days 🔍
12/31/2004 +6 days 🔍
12/18/2005 +351 days 🔍
11/29/2009 +1442 days 🔍
03/10/2015 +1927 days 🔍
11/30/2024 +3553 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securitytracker.com
Researcher: Marcin Zgorecki
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-2652 (🔍)
GCVE (CVE): GCVE-0-2004-2652
GCVE (VulDB): GCVE-100-23526
X-Force: 18689
SecurityFocus: 12084 - Snort DecodeTCPOptions Remote Denial Of Service Vulnerability
Secunia: 13664
OSVDB: 12578 - Snort Fast Output TCP/IP Options Remote DoS
SecurityTracker: 1012656
Vulnerability Center: 24227 - Snort Prior to 2.3 DecodeTCPOptions Function Remote DoS Vulnerability via Packet with Invalid TCP/IP, High

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

Entryinfo

Created: 03/10/2015 12:14 PM
Updated: 11/30/2024 03:25 PM
Changes: 03/10/2015 12:14 PM (59), 02/17/2017 12:23 PM (12), 07/01/2021 08:12 AM (4), 11/23/2024 03:10 AM (17), 11/30/2024 03:25 PM (1)
Complete: 🔍
Cache ID: 244:62E:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!