FreeBSD up to 6.0 IPsec fast_ipsec memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeBSD up to 6.0. It has been rated as problematic. The affected element is the function fast_ipsec of the component IPsec. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2006-0905. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in FreeBSD up to 6.0 (Operating System). Affected by this vulnerability is the function fast_ipsec of the component IPsec. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A "programming error" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2 through 3 does not properly update the sequence number associated with a Security Association, which allows packets to pass sequence number checks and allows remote attackers to capture IPSec packets and conduct replay attacks.

The bug was discovered 03/22/2006. The weakness was disclosed 03/23/2006 by Pawel Jakub Dawidek (Website). It is possible to read the advisory at ftp.freebsd.org. This vulnerability is known as CVE-2006-0905 since 02/28/2006. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 56454 (MS11-080: Vulnerability in Ancillary Function Driver Could Allow Elevation of Privilege (2592799)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.freebsd.org. A possible mitigation has been published 7 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25398), Tenable (56454), SecurityFocus (BID 17191†), OSVDB (24068†) and Secunia (SA19366†). The entry VDB-4421 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56454
Nessus Name: MS11-080: Vulnerability in Ancillary Function Driver Could Allow Elevation of Privilege (2592799)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56454
OpenVAS Name: FreeBSD Security Advisory (FreeBSD-SA-06:11.ipsec.asc)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: ftp.freebsd.org

Timelineinfo

02/28/2006 🔍
03/22/2006 +22 days 🔍
03/22/2006 +0 days 🔍
03/22/2006 +0 days 🔍
03/23/2006 +1 days 🔍
03/23/2006 +0 days 🔍
03/23/2006 +0 days 🔍
03/23/2006 +0 days 🔍
03/23/2006 +0 days 🔍
03/29/2006 +5 days 🔍
03/10/2009 +1077 days 🔍
10/11/2011 +945 days 🔍
10/11/2011 +0 days 🔍
03/12/2021 +3440 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.freebsd.org
Researcher: Pawel Jakub Dawidek
Status: Not defined

CVE: CVE-2006-0905 (🔍)
GCVE (CVE): GCVE-0-2006-0905
GCVE (VulDB): GCVE-100-2107
X-Force: 25398 - FreeBSD IPSec fast_ipsec(4) replay, Low Risk
SecurityFocus: 17191 - FreeBSD IPsec Replay Vulnerability
Secunia: 19366 - FreeBSD IPsec Sequence Number Verification Bypass, Moderately Critical
OSVDB: 24068 - Multiple BSD IPsec Sequence Number fast_ipsec(4) Verification Bypass
SecurityTracker: 1015809
Vulnerability Center: 21227 - FreeBSD and NetBSD IPSec Implementation Remote Replay Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/29/2006 12:22
Updated: 03/12/2021 14:40
Changes: 03/29/2006 12:22 (95), 08/30/2019 14:42 (2), 03/12/2021 14:40 (4)
Complete: 🔍
Cache ID: 216:554:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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