Apple Mac OS X up to 10.11.3 OpenSSH out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple Mac OS X up to 10.11.3. This affects an unknown part of the component OpenSSH. The manipulation results in an unknown weakness. This vulnerability was named CVE-2015-5334. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Apple Mac OS X up to 10.11.3 (Operating System). Affected is some unknown functionality of the component OpenSSH. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, and integrity.

The weakness was presented 03/21/2016 with Qualys as HT206167 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2015-5334 since 07/01/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/11/2022). The advisory points out:

Multiple vulnerabilities existed in LibreSSL versions prior to 2.1.8. These were addressed by updating LibreSSL to version 2.1.8.

The vulnerability scanner Nessus provides a plugin with the ID 87314 (Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371218 (Apple macOS Mojave 10.14 Not Installed (APPLE-SA-2018-9-24-1)).

Upgrading to version 10.11.4 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 Tenable (87314) and SecurityFocus (BID 49124†). See VDB-58334, VDB-78550, VDB-78551 and VDB-79411 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.4
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87314
Nessus Name: Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-02 March-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.4

Timelineinfo

07/01/2015 🔍
12/09/2015 +162 days 🔍
03/21/2016 +102 days 🔍
03/21/2016 +0 days 🔍
03/23/2016 +2 days 🔍
07/11/2022 +2301 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206167
Organization: Qualys
Status: Confirmed

CVE: CVE-2015-5334 (🔍)
GCVE (CVE): GCVE-0-2015-5334
GCVE (VulDB): GCVE-100-81468
SecurityFocus: 49124

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

Entryinfo

Created: 03/23/2016 12:39
Updated: 07/11/2022 09:28
Changes: 03/23/2016 12:39 (52), 09/09/2018 11:27 (10), 07/11/2022 09:20 (2), 07/11/2022 09:25 (20), 07/11/2022 09:28 (1)
Complete: 🔍
Cache ID: 216::103

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