Ruby 1.8/1.9 OpenSSL OCSP_basic_verify improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Ruby 1.8/1.9. Affected is the function OCSP_basic_verify of the component OpenSSL. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2009-0642. There is not any exploit available.

Detailsinfo

A vulnerability was found in Ruby 1.8/1.9 (Programming Language Software) and classified as critical. This issue affects the function OCSP_basic_verify of the component OpenSSL. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ext/openssl/ossl_ocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSP_basic_verify function, which might allow remote attackers to successfully present an invalid X.509 certificate, possibly involving a revoked certificate.

The weakness was released 02/20/2009 (Website). The advisory is shared at mandriva.com. The identification of this vulnerability is CVE-2009-0642 since 02/18/2009. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 43044 (Mandriva Linux Security Advisory : ruby (MDVSA-2009:325)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165649 (SUSE Enterprise Linux Security Update dhcp-client (SUSE-SA:2009:037)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (48761), Tenable (43044), SecurityFocus (BID 33769†), Secunia (SA33750†) and SecurityTracker (ID 1022505†). Entries connected to this vulnerability are available at VDB-3810, VDB-43706, VDB-43674 and VDB-43673. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: 43044
Nessus Name: Mandriva Linux Security Advisory : ruby (MDVSA-2009:325)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 64639
OpenVAS Name: Debian Security Advisory DSA 1860-1 (ruby1.8, ruby1.9)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/13/2009 🔍
02/13/2009 +0 days 🔍
02/18/2009 +5 days 🔍
02/19/2009 +1 days 🔍
02/20/2009 +1 days 🔍
02/20/2009 +0 days 🔍
07/03/2009 +133 days 🔍
07/05/2009 +2 days 🔍
12/08/2009 +156 days 🔍
03/17/2015 +1925 days 🔍
08/04/2021 +2332 days 🔍

Sourcesinfo

Advisory: mandriva.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0642 (🔍)
GCVE (CVE): GCVE-0-2009-0642
GCVE (VulDB): GCVE-100-46661

OVAL: 🔍

X-Force: 48761
SecurityFocus: 33769 - Ruby 'OCSP_basic_verify()' X.509 Certificate Verification Vulnerability
Secunia: 33750 - Ruby "OCSP_basic_verify()" Certificate Validation Vulnerability, Less Critical
SecurityTracker: 1022505 - Ruby OCSP_basic_verify() Validation Flaw Lets Remote Users Conduct Certificate Spoofing Attacks
Vulnerability Center: 22756 - Ruby 1.8 and 1.9 ext/openssl/ossl_ocsp.c Remote Spoofing via Invalid X.509 Certificate, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/04/2021 15:50
Changes: 03/17/2015 16:11 (65), 02/11/2017 10:19 (17), 08/04/2021 15:50 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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