Snort 2.6.1.1/2.6.1.2/2.7 Beta1 frag3 Preprocessor denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Snort 2.6.1.1/2.6.1.2/2.7 Beta1. It has been classified as problematic. Affected is an unknown function of the component frag3 Preprocessor. This manipulation causes denial of service. This vulnerability is handled as CVE-2007-1398. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Snort 2.6.1.1/2.6.1.2/2.7 Beta1. Affected by this vulnerability is an unknown code block of the component frag3 Preprocessor. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

The frag3 preprocessor in Snort 2.6.1.1, 2.6.1.2, and 2.7.0 beta, when configured for inline use on Linux without the ip_conntrack module loaded, allows remote attackers to cause a denial of service (segmentation fault and application crash) via certain UDP packets produced by send_morefrag_packet and send_overlap_packet.

The weakness was released 02/02/2007 by Joel Ebrahimi and Panda Software (Website). It is possible to read the advisory at milw0rm.com. This vulnerability is known as CVE-2007-1398 since 03/10/2007. 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.

A public exploit has been developed by Antimatt3r in ANSI C and been published 2 months after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (33149), Exploit-DB (3434), SecurityFocus (BID 22872†), OSVDB (33024†) and Vulnerability Center (SBV-40918†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Antimatt3r
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
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Fortigate IPS: 🔍

Timelineinfo

02/02/2007 🔍
03/08/2007 +34 days 🔍
03/08/2007 +0 days 🔍
03/08/2007 +0 days 🔍
03/08/2007 +0 days 🔍
03/10/2007 +2 days 🔍
03/10/2007 +0 days 🔍
03/15/2007 +5 days 🔍
08/08/2013 +2337 days 🔍
03/13/2015 +582 days 🔍
08/26/2024 +3454 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Researcher: Joel Ebrahimi, Panda Software
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1398 (🔍)
GCVE (CVE): GCVE-0-2007-1398
GCVE (VulDB): GCVE-100-35551
X-Force: 33149
SecurityFocus: 22872 - Snort Inline Fragmentation Denial of Service Vulnerability
OSVDB: 33024 - Snort Inline frag3 Pre-Processor ip_conntrack fragmentation DoS
Vulnerability Center: 40918 - Snort 2.6.1.1, 2.6.1.2, and 2.7.0 Beta on Linux Frag3 Preprocessor Allows Remote DoS via UDP Packets, High

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

Entryinfo

Created: 03/13/2015 12:16
Updated: 08/26/2024 10:12
Changes: 03/13/2015 12:16 (60), 05/08/2017 08:55 (11), 08/26/2024 10:12 (17)
Complete: 🔍
Cache ID: 216:1B3:103

Be aware that VulDB is the high quality source for vulnerability data.

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