Darren Reed IPFilter 3.3.15/3.4.3 Rules race condition

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

A vulnerability was found in Darren Reed IPFilter 3.3.15/3.4.3. It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component Rules Handler. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect integrity. The summary by CVE is:

Race condition in IPFilter firewall 3.4.3 and earlier, when configured with overlapping "return-rst" and "keep state" rules, allows remote attackers to bypass access restrictions.

The weakness was published 05/25/2000 by EMF (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is known as CVE-2000-0553. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (4994).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Current Price Estimation: 🔍

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

05/25/2000 🔍
05/25/2000 +0 days 🔍
05/26/2000 +1 days 🔍
05/26/2000 +0 days 🔍
02/21/2003 +1001 days 🔍
06/24/2014 +4140 days 🔍
05/24/2018 +1430 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: EMF
Status: Not defined

CVE: CVE-2000-0553 (🔍)
X-Force: 4994 - IPFilter firewall race condition
SecurityFocus: 1308 - IPFilter Firewall Race Condition Vulnerability
OSVDB: 1377 - IPFilter Firewall SYN/RST Race Condition

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

Entryinfo

Created: 06/24/2014 18:09
Updated: 05/24/2018 21:36
Changes: 06/24/2014 18:09 (59), 05/24/2018 21:36 (1)
Complete: 🔍

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