OpenSSL up to 0.9.8s/1.0.0f SSL3 cryptographic issue

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

Summaryinfo

A vulnerability categorized as problematic has been discovered in OpenSSL up to 0.9.8s/1.0.0f. The affected element is an unknown function of the component SSL3. Executing a manipulation can lead to cryptographic issue. This vulnerability is handled as CVE-2011-4576. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenSSL up to 0.9.8s/1.0.0f (Network Encryption Software). It has been declared as problematic. This vulnerability affects an unknown functionality of the component SSL3. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality. CVE summarizes:

The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.

The weakness was released 01/04/2012 by Andrew with Information Security Group at Royal Holloway, University of London (Website). The advisory is shared for download at aix.software.ibm.com. This vulnerability was named CVE-2011-4576 since 11/29/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 70165 (Juniper Steel-Belted Radius Multiple OpenSSL Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216041 (VMWare ESXi 5.0.0 Patch ESXi500-Update02 Missing (KB2033751)).

Upgrading to version 0.9.8s or 1.0.0f eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (72130), Tenable (70165), SecurityFocus (BID 51281†), OSVDB (78188†) and Secunia (SA47426†). Entries connected to this vulnerability are available at VDB-4291, VDB-4514, VDB-4515 and VDB-4519. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Support

  • end of life (old version)

Website

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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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: 70165
Nessus Name: Juniper Steel-Belted Radius Multiple OpenSSL Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70708
OpenVAS Name: Debian Security Advisory DSA 2390-1 (openssl)
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: 🔍

Upgrade: OpenSSL 0.9.8s/1.0.0f

Timelineinfo

11/29/2011 🔍
01/04/2012 +36 days 🔍
01/04/2012 +0 days 🔍
01/05/2012 +1 days 🔍
01/05/2012 +0 days 🔍
01/05/2012 +0 days 🔍
01/05/2012 +0 days 🔍
01/05/2012 +0 days 🔍
01/06/2012 +1 days 🔍
01/12/2012 +5 days 🔍
01/21/2012 +9 days 🔍
09/27/2013 +615 days 🔍
08/08/2024 +3968 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: aix.software.ibm.com
Researcher: Andrew
Organization: Information Security Group at Royal Holloway, University of London
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4576 (🔍)
GCVE (CVE): GCVE-0-2011-4576
GCVE (VulDB): GCVE-100-4516

OVAL: 🔍
IAVM: 🔍

CERT: 🔍
X-Force: 72130
SecurityFocus: 51281 - OpenSSL Multiple Vulnerabilities
Secunia: 47426 - OpenSSL Multiple Vulnerabilities, Moderately Critical
OSVDB: 78188
SecurityTracker: 1026485 - OpenSSL Bugs Let Remote Users Deny Service, Obtain Information, and Potentially Execute Arbitrary Code
Vulnerability Center: 34214 - OpenSSL Before 0.9.8s and 1.x Before 1.0.0f SSL v3 Weak Encryption, Medium

See also: 🔍

Entryinfo

Created: 01/21/2012 01:00
Updated: 08/08/2024 09:17
Changes: 01/21/2012 01:00 (79), 04/09/2017 13:22 (12), 03/20/2021 11:24 (3), 08/08/2024 09:17 (16)
Complete: 🔍
Cache ID: 216:64F:103

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