CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel 3.1 (Operating System). It has been rated as problematic. This issue affects the function override_release
of the file kernel/sys.c. The manipulation with an unknown input leads to a config vulnerability. Using CWE to declare the problem leads to CWE-16. Impacted is confidentiality. The summary by CVE is:
The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality.
The weakness was presented 12/21/2012 by Brad Spengler (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2012-0957 since 02/01/2012. 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 as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1592.004 for this issue.
A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 69632 (Amazon Linux AMI : kernel (ALAS-2012-142)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350605 (Amazon Linux Security Advisory for kernel: ALAS-2012-142).
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 databases at X-Force (79122) and Tenable (69632). See 5384, 7055, 63761 and 63759 for similar entries.
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: 5.9
VulDB Base Score: 6.2
VulDB Temp Score: 5.9
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: ConfigCWE: CWE-16
ATT&CK: T1592.004
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 69632
Nessus Name: Amazon Linux AMI : kernel (ALAS-2012-142)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 864823
OpenVAS Name: Fedora Update for kernel FEDORA-2012-16669
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: 2702b1526c7278c4d65d78de209a465d4de2885e
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Timeline
02/01/2012 🔍10/09/2012 🔍
10/09/2012 🔍
11/06/2012 🔍
12/21/2012 🔍
12/21/2012 🔍
09/04/2013 🔍
03/24/2015 🔍
12/21/2021 🔍
Sources
Vendor: kernel.orgAdvisory: RHSA-2012:1426
Researcher: Brad Spengler
Status: Not defined
Confirmation: 🔍
CVE: CVE-2012-0957 (🔍)
OVAL: 🔍
X-Force: 79122
Vulnerability Center: 37004 - Linux Kernel 3.2.1, 3.2.2, 3.2.9, and 3.2.13 Local Information Disclosure Vulnerability, Medium
SecurityFocus: 55855 - Linux Kernel 'uname()' System Call Local Information Disclosure Vulnerability
Secunia: 51409
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/24/2015 12:22Updated: 12/21/2021 07:26
Changes: 03/24/2015 12:22 (70), 04/20/2017 14:16 (12), 12/21/2021 07:20 (5), 12/21/2021 07:26 (2)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.