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, which was classified as critical, has been found in Apple Mac OS X 10.10/10.10.1. The impacted element is an unknown function of the component bash. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2014-7187. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Mac OS X 10.10/10.10.1 (Operating System). It has been rated as critical. This issue affects an unknown functionality of the component bash. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, and integrity.

The weakness was disclosed 01/27/2015 by Todd Sabin as HT204244 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2014-7187. The attack may be initiated remotely. No form of authentication is needed 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. The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 78362 (Amazon Linux AMI : bash (ALAS-2014-419)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux 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 16824.

The vulnerability is also documented in the databases at X-Force (96238), Exploit-DB (34860), Tenable (78362), SecurityFocus (BID 70154†) and Secunia (SA61479†). us-cert.gov is providing further details. The entries VDB-67707, VDB-67708, VDB-68881 and VDB-68864 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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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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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Nessus ID: 78362
Nessus Name: Amazon Linux AMI : bash (ALAS-2014-419)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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

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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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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 🔍
10/02/2014 +2 days 🔍
10/02/2014 +0 days 🔍
10/12/2014 +10 days 🔍
01/27/2015 +107 days 🔍
01/27/2015 +0 days 🔍
01/29/2015 +2 days 🔍
03/01/2016 +397 days 🔍
11/30/2024 +3195 days 🔍

Sourcesinfo

Vendor: apple.com

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

CVE: CVE-2014-7187 (🔍)
GCVE (CVE): GCVE-0-2014-7187
GCVE (VulDB): GCVE-100-68867

OVAL: 🔍
IAVM: 🔍

X-Force: 96238
SecurityFocus: 70154 - GNU Bash CVE-2014-7187 Local Memory Corruption Vulnerability
Secunia: 61479 - SUSE update for bash, Highly Critical
SecuriTeam: 1031650
Vulnerability Center: 56925 - GNU Bash Through 4.3 bash43-026 Remote DoS and Code Execution due to an Error in the read_token_word Function - CVE-2014-7187, Critical

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

Created: 01/29/2015 09:30
Updated: 11/30/2024 16:10
Changes: 01/29/2015 09:30 (78), 08/25/2018 11:17 (23), 03/07/2022 08:24 (4), 11/30/2024 16:10 (14)
Complete: 🔍
Cache ID: 216:1DB:103

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