eID eidlib 2.6.0 EVP_VerifyFinal improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in eID eidlib 2.6.0. It has been classified as problematic. The affected element is the function EVP_VerifyFinal. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2009-0049. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in eID eidlib 2.6.0. It has been declared as problematic. Affected by this vulnerability is the function EVP_VerifyFinal. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. The summary by CVE is:

Belgian eID middleware (eidlib) 2.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.

The bug was discovered 01/07/2009. The weakness was shared 01/07/2009 by Security Team with Google Security Team as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2009-0049 since 01/07/2009. The exploitation appears to be easy. 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 scanner Nessus provides a plugin with the ID 44811 (Debian DSA-1946-1 : belpic - cryptographic weakness), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175025 (Debian Security Update for Belpic (DSA-1946)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 12 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (47836), Tenable (44811), SecurityFocus (BID 33150†), OSVDB (51164†) and Secunia (SA34029†). The entries VDB-3904, VDB-46062, VDB-45925 and VDB-45922 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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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: 44811
Nessus Name: Debian DSA-1946-1 : belpic - cryptographic weakness
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 66458
OpenVAS Name: Debian Security Advisory DSA 1946-1 (belpic)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

01/07/2009 🔍
01/07/2009 +0 days 🔍
01/07/2009 +0 days 🔍
01/07/2009 +0 days 🔍
01/07/2009 +0 days 🔍
01/07/2009 +0 days 🔍
01/19/2009 +12 days 🔍
03/02/2009 +42 days 🔍
12/04/2009 +277 days 🔍
02/24/2010 +82 days 🔍
03/17/2015 +1847 days 🔍
05/22/2025 +3719 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Security Team
Organization: Google Security Team
Status: Confirmed

CVE: CVE-2009-0049 (🔍)
GCVE (CVE): GCVE-0-2009-0049
GCVE (VulDB): GCVE-100-45799

OVAL: 🔍

X-Force: 47836
SecurityFocus: 33150 - OpenSSL 'EVP_VerifyFinal' Function Signature Verification Vulnerability
Secunia: 34029 - eid Middleware "EVP_VerifyFinal()" Spoofing Vulnerability, Less Critical
OSVDB: 51164 - Multiple vendor OpenSSL EVP_VerifyFinal() certificate chain validation security bypass
Vulnerability Center: 20556 - Belgian eID Middleware <= 2.6.0 OpenSSL EVP_VerifyFinal Remote Certificate Validation Bypassing, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/22/2025 20:34
Changes: 03/17/2015 16:11 (79), 08/24/2019 14:24 (6), 05/22/2025 20:34 (20)
Complete: 🔍
Cache ID: 216:F30:103

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