Apple Mac OS X 10.10/10.10.1 bash memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple Mac OS X 10.10/10.10.1. The affected element is an unknown function of the component bash. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2014-7186. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Mac OS X 10.10/10.10.1 (Operating System). It has been declared as critical. This vulnerability affects an unknown function of the component bash. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, and integrity.

The weakness was released 01/27/2015 by Todd Sabin as HT204244 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2014-7186. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple vulnerabilities existed in bash. These issues were addressed by updating bash to patch level 57.

A public exploit has been developed by @0x00string and been published before and not just after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 78002 (FreeBSD : bash -- out-of-bounds memory access in parser (4a4e9f88-491c-11e4-ae2c-c80aa9043978)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350825 (Amazon Linux Security Advisory for bash: AL2012-2014-006 (ShellShock)).

Upgrading to version 10.10.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16823.

The vulnerability is also documented in the databases at X-Force (96237), Exploit-DB (34860), Tenable (78002), SecurityFocus (BID 70152†) and Secunia (SA61479†). Additional details are provided at us-cert.gov. Entries connected to this vulnerability are available at VDB-67707, VDB-67708, VDB-68881 and VDB-68864. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: @0x00string
Download: 🔍

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Price Prediction: 🔍
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Nessus ID: 78002
Nessus Name: FreeBSD : bash -- out-of-bounds memory access in parser (4a4e9f88-491c-11e4-ae2c-c80aa9043978)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2014-419
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Upgrade: Mac OS X 10.10.2
TippingPoint: 🔍

McAfee IPS: 🔍
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Fortigate IPS: 🔍

Timelineinfo

09/24/2014 🔍
09/25/2014 +1 days 🔍
09/25/2014 +0 days 🔍
09/28/2014 +3 days 🔍
09/30/2014 +1 days 🔍
10/01/2014 +1 days 🔍
10/02/2014 +1 days 🔍
10/02/2014 +0 days 🔍
01/27/2015 +117 days 🔍
01/27/2015 +0 days 🔍
01/29/2015 +2 days 🔍
03/01/2016 +397 days 🔍
12/01/2024 +3197 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT204244
Researcher: Todd Sabin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-7186 (🔍)
GCVE (CVE): GCVE-0-2014-7186
GCVE (VulDB): GCVE-100-68866

OVAL: 🔍
IAVM: 🔍

X-Force: 96237
SecurityFocus: 70152 - GNU Bash CVE-2014-7186 Local Memory Corruption Vulnerability
Secunia: 61479 - SUSE update for bash, Highly Critical
SecuriTeam: 1031650
Vulnerability Center: 56924 - GNU Bash through 4.3 bash43-026 Local DoS Vulnerability - CVE-2014-7186, Medium

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

Entryinfo

Created: 01/29/2015 09:30
Updated: 12/01/2024 23:27
Changes: 01/29/2015 09:30 (79), 08/25/2018 11:16 (23), 03/07/2022 08:23 (4), 12/01/2024 23:27 (14)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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