OpenSSL crypto_drv.c DSA_do_verify improper authentication

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

A vulnerability classified as problematic has been found in OpenSSL (Network Encryption Software) (version unknown). This affects the function DSA_do_verify in the library lib/crypto/c_src/crypto_drv.c. The manipulation with an unknown input 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. The summary by CVE is:

** DISPUTED ** lib/crypto/c_src/crypto_drv.c in erlang does not properly check the return value from the OpenSSL DSA_do_verify function, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: a package maintainer disputes this issue, reporting that there is a proper check within the only code that uses the applicable part of crypto_drv.c, and thus "this report is invalid."

The weakness was disclosed 01/15/2009 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2009-0130 since 01/15/2009. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 35310 (CentOS 3 / 4 / 5 : openssl (CESA-2009:0004)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (35310). The entries 45926, 45925, 45924 and 45798 are pretty similar.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 35310
Nessus Name: CentOS 3 / 4 / 5 : openssl (CESA-2009:0004)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

01/07/2009 🔍
01/15/2009 +7 days 🔍
01/15/2009 +0 days 🔍
01/15/2009 +0 days 🔍
02/03/2009 +19 days 🔍
03/17/2015 +2232 days 🔍
05/03/2019 +1508 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: openwall.com
Status: Not defined
Disputed: 🔍

CVE: CVE-2009-0130 (🔍)
See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/03/2019 11:18
Changes: 03/17/2015 16:11 (57), 05/03/2019 11:18 (2)
Complete: 🔍

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