Linux Kernel 3.10.2 Field voluntary_ctxt_switches /proc//status information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.8 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Linux Kernel 3.10.2. The impacted element is an unknown function of the file /proc/<pid>/status of the component Field voluntary_ctxt_switches. Executing a manipulation can lead to information disclosure. Moreover, an exploit is present.
Details
A vulnerability has been found in Linux Kernel 3.10.2 (Operating System) and classified as problematic. This vulnerability affects an unknown code block of the file /proc/<pid>/status of the component Field voluntary_ctxt_switches. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.
The weakness was disclosed 07/23/2013 by Jann Horn as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. The vendor was not involved in the coordination of the public release. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
It is possible to download the exploit at seclists.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at OSVDB (95623†). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
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: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/23/2013 🔍07/26/2013 🔍
03/19/2019 🔍
Sources
Vendor: kernel.orgAdvisory: seclists.org
Researcher: Jann Horn
Status: Not defined
GCVE (VulDB): GCVE-100-9742
OSVDB: 95623
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/26/2013 17:57Updated: 03/19/2019 20:06
Changes: 07/26/2013 17:57 (44), 03/19/2019 20:06 (2)
Complete: 🔍
Committer:
Cache ID: 216:C16:103
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