OpenCA up to 0.9.1.3 Certificate Invalid Cert improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in OpenCA up to 0.9.1.3. This affects an unknown part of the component Certificate Handler. The manipulation as part of Invalid Cert results in improper authentication. This vulnerability is known as CVE-2003-0960. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in OpenCA up to 0.9.1.3. It has been classified as critical. Affected is an unknown function of the component Certificate Handler. The manipulation as part of a Invalid Cert leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

OpenCA before 0.9.1.4 does not use the correct certificate in a chain to check the serial, which could cause OpenCA to accept revoked or expired certificates.

The weakness was published 11/27/2003 by Chris Covell and Gottfried Scheckenbach (Website). The advisory is shared for download at openca.org. This vulnerability is traded as CVE-2003-0960 since 11/26/2003. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 14714 (OpenCA Multiple Signature Validation Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

Upgrading to version 0.9.1.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at openca.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (13861), Tenable (14714), SecurityFocus (BID 9123†), OSVDB (2884†) and Secunia (SA10324†). Further details are available at securityfocus.com. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14714
Nessus Name: OpenCA Multiple Signature Validation Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 14714
OpenVAS Name: OpenCA multiple signature validation bypass
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenCA 0.9.1.4
Patch: openca.org

Timelineinfo

11/26/2003 🔍
11/27/2003 +1 days 🔍
11/28/2003 +1 days 🔍
11/28/2003 +0 days 🔍
12/01/2003 +3 days 🔍
12/01/2003 +0 days 🔍
12/02/2003 +0 days 🔍
12/15/2003 +13 days 🔍
09/13/2004 +273 days 🔍
09/27/2004 +14 days 🔍
03/09/2021 +6007 days 🔍

Sourcesinfo

Advisory: openca.org
Researcher: Chris Covell, Gottfried Scheckenbach
Status: Not defined

CVE: CVE-2003-0960 (🔍)
GCVE (CVE): GCVE-0-2003-0960
GCVE (VulDB): GCVE-100-420
X-Force: 13861 - OpenCA bypass signature verification, Medium Risk
SecurityFocus: 9123 - OpenCA Signature Verification Vulnerabilities
Secunia: 10324 - OpenCA Signature Validation Vulnerabilities, Moderately Critical
OSVDB: 2884 - OpenCA Multiple Signature Validation Bypass
SecuriTeam: securiteam.com
Vulnerability Center: 5447 - OpenCA < 0.9.1 -4 Allows Gaining Unauthorized Access via Revoked or Expired Certificates, High

Misc.: 🔍

Entryinfo

Created: 12/02/2003 09:42
Updated: 03/09/2021 09:28
Changes: 12/02/2003 09:42 (79), 06/07/2017 16:02 (10), 03/09/2021 09:28 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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