Apple Mac OS X up to 10.6.7 DSTCPEndpoint.cpp AllocFromProxyStruct memory corruption

CVSS Meta Temp Score
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9.0$0-$5k0.00

A vulnerability was found in Apple Mac OS X up to 10.6.7 (Operating System) and classified as critical. This issue affects the function DSTCPEndpoint::AllocFromProxyStruct of the file DSTCPEndpoint.cpp. 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, integrity, and availability. The summary by CVE is:

Directory Service in Apple Mac OS X through 10.6.8 allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted message.

The weakness was published 06/04/2013 by Nicolas Economou as HT5784 as confirmed advisory (Website). The advisory is shared at support.apple.com. The public release has been coordinated with Apple. The identification of this vulnerability is CVE-2013-0984 since 01/10/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Core Security and been published immediately 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 $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 69319 (Mac OS X Directory Service Buffer Overflow), 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 121226 (Apple Mountain Lion v10.8.4 and Security Update 2013-002 Not Installed (APPLE-SA-2013-06-04-1)).

Upgrading to version 10.8.4 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 X-Force (84780), Exploit-DB (25974), Tenable (69319), SecurityFocus (BID 60328†) and OSVDB (93923†).

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CPE 2.3info

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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Core Security
Download: 🔍

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Nessus ID: 69319
Nessus Name: Mac OS X Directory Service Buffer Overflow
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Upgrade: Mac OS X 10.8.4

Timelineinfo

01/10/2013 🔍
06/04/2013 +145 days 🔍
06/04/2013 +0 days 🔍
06/04/2013 +0 days 🔍
06/04/2013 +0 days 🔍
06/04/2013 +0 days 🔍
06/05/2013 +1 days 🔍
06/05/2013 +0 days 🔍
06/07/2013 +2 days 🔍
06/30/2013 +23 days 🔍
08/13/2013 +44 days 🔍
06/08/2024 +3952 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5784
Researcher: Nicolas Economou
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0984 (🔍)
X-Force: 84780
SecurityFocus: 60328 - Apple Mac OS X Directory Service CVE-2013-0984 Remote Buffer Overflow Vulnerability
Secunia: 53684 - Apple Mac OS X Multiple Vulnerabilities, Highly Critical
OSVDB: 93923
Vulnerability Center: 40237 - Apple MacOS X 10.6 - 10.6.8 Remote Arbitrary Code Execution via a Maliciously Crafted Message, Critical

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

Entryinfo

Created: 06/07/2013 05:24 PM
Updated: 06/08/2024 03:24 PM
Changes: 06/07/2013 05:24 PM (84), 05/04/2017 10:26 AM (4), 05/14/2021 11:40 AM (2), 06/08/2024 03:24 PM (15)
Complete: 🔍
Committer:
Cache ID: 3:6F7:40

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