Apple Mac OS X prior 10.3.x Directory Services /tmp/.pwtmp.

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple Mac OS X. The impacted element is an unknown function of the file /tmp/.pwtmp.<pid of the component Directory Services. This manipulation causes link following. The identification of this vulnerability is CVE-2005-2714. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Mac OS X (Operating System) and classified as critical. Affected by this vulnerability is some unknown processing of the file /tmp/.pwtmp.<pid of the component Directory Services. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

passwd in Directory Services in Mac OS X 10.3.x before 10.3.9 and 10.4.x before 10.4.5 allows local users to overwrite arbitrary files via a symlink attack on the .pwtmp.[PID] temporary file.

The bug was discovered 08/23/2005. The weakness was shared 02/28/2006 by Ilja van Sprundel with iDefense (Website). It is possible to read the advisory at us-cert.gov. This vulnerability is known as CVE-2005-2714 since 08/26/2005. The exploitation appears to be easy. Attacking locally is a requirement. Required for exploitation is a single authentication. Technical details and also a public exploit are known.

A public exploit has been developed in Perl. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 130 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20990 (Mac OS X Multiple Vulnerabilities (Security Update 2006-001)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115334 (Apple Mac OS X Security Update 2006-001 Not Installed (APPLE-SA-2006-03-01)).

Upgrading to version 10.3.x eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (25274), Tenable (20990), SecurityFocus (BID 16910†), OSVDB (23647†) and Secunia (SA19064†). The entries VDB-1918, VDB-26962, VDB-26742 and VDB-26741 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20990
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Update 2006-001)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mac OS X 10.3.x

Timelineinfo

08/23/2005 🔍
08/26/2005 +3 days 🔍
12/31/2005 +127 days 🔍
02/28/2006 +59 days 🔍
03/01/2006 +0 days 🔍
03/02/2006 +1 days 🔍
03/02/2006 +0 days 🔍
03/12/2015 +3296 days 🔍
07/07/2021 +2309 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: us-cert.gov
Researcher: Ilja van Sprundel
Organization: iDefense
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-2714 (🔍)
GCVE (CVE): GCVE-0-2005-2714
GCVE (VulDB): GCVE-100-27859
X-Force: 25274 - Apple Mac OS X passwd symlink
SecurityFocus: 16910 - Apple Mac OS X Directory Services Passwd Privilege Escalation Vulnerabilities
Secunia: 19064 - Mac OS X Security Update Fixes Multiple Vulnerabilities, Extremely Critical
OSVDB: 23647 - Apple Mac OS X passwd Temp File Symlink Arbitrary File Manipulation
Vupen: ADV-2006-0791

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

Entryinfo

Created: 03/12/2015 11:11
Updated: 07/07/2021 08:40
Changes: 03/12/2015 11:11 (72), 08/04/2017 08:40 (8), 07/07/2021 08:40 (3)
Complete: 🔍
Cache ID: 216::103

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