Apple Mac OS X up to 10.9.4 OpenSSL cryptographic issues

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

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.9.4 (Operating System). This issue affects an unknown function of the component OpenSSL. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality. The summary by CVE is:

The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, which makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD cache side-channel attack.

The weakness was published 09/17/2014 as HT6443 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2014-0076 since 12/03/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 74288 (IBM Global Security Kit 7 < 7.0.4.50 / 8.0.14.x < 8.0.14.43 / 8.0.50.x < 8.0.50.20 Multiple Vulnerabilities (Linux)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family General. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175900 (Debian Security Update for openssl (DSA 2908-1)).

Upgrading to version 10.9.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.openssl.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (74288). Similar entries are available at 12686, 67630, 67620 and 67639.

Productinfo

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Support

  • end of life

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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74288
Nessus Name: IBM Global Security Kit 7 < 7.0.4.50 / 8.0.14.x < 8.0.14.43 / 8.0.50.x < 8.0.50.20 Multiple Vulnerabilities (Linux)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702908
OpenVAS Name: Debian Security Advisory DSA 2908-1 (openssl - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.9.5
Patch: 2198be3483259de374f91e57d247d0fc667aef29

Timelineinfo

12/03/2013 🔍
02/24/2014 +83 days 🔍
03/25/2014 +29 days 🔍
06/03/2014 +70 days 🔍
08/04/2014 +62 days 🔍
09/17/2014 +44 days 🔍
09/17/2014 +0 days 🔍
09/23/2014 +6 days 🔍
03/22/2015 +180 days 🔍
02/20/2022 +2527 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6443
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0076 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 49157 - OpenSSL <=1.0.0l ECDSA Remote Information Disclosure Vulnerability via FLUSH+RELOAD Cache, Medium
SecurityFocus: 66363 - OpenSSL CVE-2014-0076 Information Disclosure Weakness
Secunia: 58727

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 09/23/2014 13:06
Updated: 02/20/2022 18:22
Changes: 09/23/2014 13:06 (46), 06/23/2017 10:29 (37), 02/20/2022 18:14 (3), 02/20/2022 18:22 (1)
Complete: 🔍

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