CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.2 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Linux Kernel 2.6.16.9 (Operating System). This vulnerability affects the function tc_fill_tclass
. 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. CVE summarizes:
The tc_fill_tclass function in net/sched/sch_api.c in the tc subsystem in the Linux kernel 2.4.x before 2.4.37.6 and 2.6.x before 2.6.31-rc9 does not initialize certain (1) tcm__pad1 and (2) tcm__pad2 structure members, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors.
The issue has been introduced in 03/20/2006. The weakness was disclosed 10/19/2009 (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2009-3228. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
The vulnerability was handled as a non-public zero-day exploit for at least 1309 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 44792 (Debian DSA-1927-1 : linux-2.6 - privilege escalation/denial of service/sensitive memory leak), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116971 (VMware ESX Service Console and vMA Third Party Updates (VMSA-2010-0004)).
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 Tenable (44792). The entries 47137, 50479, 50420 and 50329 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.2
VulDB Temp Score: 6.2
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: 🔍
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: 44792
Nessus Name: Debian DSA-1927-1 : linux-2.6 - privilege escalation/denial of service/sensitive memory leak
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 66207
OpenVAS Name: Debian Security Advisory DSA 1927-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/20/2006 🔍09/08/2009 🔍
09/16/2009 🔍
10/19/2009 🔍
10/19/2009 🔍
10/19/2009 🔍
10/27/2009 🔍
02/24/2010 🔍
03/18/2015 🔍
08/24/2021 🔍
Sources
Vendor: kernel.orgAdvisory: openwall.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2009-3228 (🔍)
OVAL: 🔍
Vulnerability Center: 23869 - Linux Kernel TC Subsystem Local Memory Disclosure Vulnerability, Low
SecurityFocus: 36304 - Linux Kernel 2.4 and 2.6 Multiple Local Information Disclosure Vulnerabilities
See also: 🔍
Entry
Created: 03/18/2015 15:15Updated: 08/24/2021 03:39
Changes: 03/18/2015 15:15 (64), 02/16/2017 10:03 (8), 08/24/2021 03:32 (4), 08/24/2021 03:39 (1)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.