Linux Kernel up to 3.14.4 net_get_random_once information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Linux Kernel. Impacted is the function net_get_random_once. Executing a manipulation can lead to information disclosure.
This vulnerability is tracked as CVE-2014-7284. No exploit exists.
It is advisable to implement a patch to correct this issue.
Details
A vulnerability was found in Linux Kernel (Operating System). It has been declared as problematic. This vulnerability affects the function net_get_random_once. 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 issue has been introduced in 01/19/2014. The weakness was disclosed 10/01/2014 by Tom O'Connor and Andrew Tappert as Bug 1148788 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2014-7284 since 10/01/2014. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.
The vulnerability was handled as a non-public zero-day exploit for at least 255 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195564 (Ubuntu Security Notification for Linux Vulnerabilities (USN-2290-1)).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the databases at X-Force (96837), SecurityFocus (BID 70209†) and Vulnerability Center (SBV-46427†). Additional details are provided at seclists.org. The entry VDB-149318 is pretty similar. 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: 3.5
VulDB Base Score: 4.0
VulDB Temp Score: 3.5
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: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 3d4405226d27b3a215e4d03cfa51f536244e5de7
Timeline
01/19/2014 🔍10/01/2014 🔍
10/01/2014 🔍
10/01/2014 🔍
10/01/2014 🔍
10/08/2014 🔍
10/13/2014 🔍
10/14/2014 🔍
02/21/2022 🔍
Sources
Vendor: kernel.orgAdvisory: Bug 1148788
Researcher: Tom O'Connor, Andrew Tappert
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-7284 (🔍)
GCVE (CVE): GCVE-0-2014-7284
GCVE (VulDB): GCVE-100-67732
X-Force: 96837 - Linux Kernel net_get_random_once information disclosure, Low Risk
SecurityFocus: 70209 - Linux Kernel 'net_get_random_once' Local Information Disclosure Vulnerability
Vulnerability Center: 46427 - Linux Kernel 3.13.x and 3.14.x before 3.14.5 Remote Information Disclosure in Net/core/utils.c, Medium
Misc.: 🔍
See also: 🔍
Entry
Created: 10/08/2014 13:11Updated: 02/21/2022 10:01
Changes: 10/08/2014 13:11 (72), 06/08/2017 10:24 (1), 02/21/2022 10:01 (4)
Complete: 🔍
Cache ID: 216:58E:103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.