Apple Mac OS X up to 10.8.3 XNU Kernel osfmk/ipc/mach_debuf.c mach_port_space_info information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Apple Mac OS X up to 10.8.3. This affects the function mach_port_space_info of the file osfmk/ipc/mach_debuf.c of the component XNU Kernel. The manipulation leads to information disclosure.
This vulnerability is uniquely identified as CVE-2013-3953. No exploit exists.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in Apple Mac OS X up to 10.8.3 (Operating System). It has been rated as problematic. This issue affects the function mach_port_space_info of the file osfmk/ipc/mach_debuf.c of the component XNU Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:
The mach_port_space_info function in osfmk/ipc/mach_debug.c in the XNU kernel in Apple Mac OS X 10.8.x does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted call.
The weakness was disclosed 04/26/2013 by Stefan Esser with SektionEins GmbH as not defined article (Website). The advisory is shared at antid0te.com. The public release happened without involvement of Apple. The identification of this vulnerability is CVE-2013-3953 since 06/05/2013. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 70257 (Apple TV < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.
Upgrading to version 7, eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (70257), SecurityFocus (BID 52107†) and OSVDB (93962†). The entries VDB-4661, VDB-8303, VDB-8559 and VDB-8792 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Support
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 3.8
VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 70257
Nessus Name: Apple TV < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities - 01 Jan14
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Mac OS X 7,
Timeline
04/26/2013 🔍06/05/2013 🔍
06/05/2013 🔍
06/07/2013 🔍
09/20/2013 🔍
10/01/2013 🔍
05/14/2021 🔍
Sources
Vendor: apple.comAdvisory: antid0te.com
Researcher: Stefan Esser
Organization: SektionEins GmbH
Status: Not defined
Confirmation: 🔍
CVE: CVE-2013-3953 (🔍)
GCVE (CVE): GCVE-0-2013-3953
GCVE (VulDB): GCVE-100-9017
SecurityFocus: 52107
OSVDB: 93962
SecurityTracker: 1029054
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 06/07/2013 18:04Updated: 05/14/2021 12:50
Changes: 06/07/2013 18:04 (61), 05/06/2018 11:30 (12), 05/14/2021 12:50 (3)
Complete: 🔍
Committer:
Cache ID: 216:5A1:103
No comments yet. Languages: en.
Please log in to comment.