OpenBSD 3.4 isakmpd memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability classified as critical was found in OpenBSD 3.4 (Operating System). This vulnerability affects an unknown function of the component isakmpd. 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 availability. CVE summarizes:

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via a an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite.

The bug was discovered 03/17/2004. The weakness was released 05/04/2004 as confirmed advisory (CERT.org). The advisory is available at kb.cert.org. This vulnerability was named CVE-2004-0220 since 03/13/2004. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 19096 (FreeBSD : isakmpd payload handling denial-of-service vulnerabilities (b7cb488c-8349-11d8-a41f-0020ed76ef5a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (15629) and Tenable (19096). Entries connected to this vulnerability are available at 21824, 21825, 21827 and 21828.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 19096
Nessus Name: FreeBSD : isakmpd payload handling denial-of-service vulnerabilities (b7cb488c-8349-11d8-a41f-0020ed76ef5a)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Context: 🔍

OpenVAS ID: 52399
OpenVAS Name: FreeBSD Ports: isakmpd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/13/2004 🔍
03/17/2004 +4 days 🔍
03/31/2004 +14 days 🔍
05/04/2004 +34 days 🔍
05/04/2004 +0 days 🔍
05/04/2004 +0 days 🔍
07/13/2005 +435 days 🔍
07/25/2005 +12 days 🔍
10/16/2014 +3370 days 🔍
06/07/2019 +1695 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2004-0220 (🔍)
X-Force: 15629
Vulnerability Center: 8700 - DoS in OpenBSD <= 3.4 via ISAKMP Packet with Malformed Cert Request Payload, High
SecurityFocus: 9907
OSVDB: 5699 - CVE-2004-0220 - OpenBSD - Integer Underflow Issue

See also: 🔍

Entryinfo

Created: 10/16/2014 17:14
Updated: 06/07/2019 14:51
Changes: 10/16/2014 17:14 (68), 06/07/2019 14:51 (5)
Complete: 🔍

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