CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel 2.6.32.51 (Operating System). It has been declared as critical. Affected by this vulnerability is the function ptrace_setxregs
. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality. The summary by CVE is:
The ptrace_setxregs function in arch/xtensa/kernel/ptrace.c in the Linux kernel before 3.1 does not validate user-space pointers, which allows local users to obtain sensitive information from kernel memory locations via a crafted PTRACE_SETXTREGS request.
The issue has been introduced in 12/03/2009. The weakness was shared 05/24/2012 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2011-2707 since 07/11/2011. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 903 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 68425 (Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2011-2037)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156147 (Oracle Enterprise Linux Update for Unbreakable Enterprise Kernel (ELSA-2011-2037)).
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 (68842) and Tenable (68425). The entry 56656 is related to this item.
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: 6.1VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.2
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.0
NVD Vector: 🔍
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: Input validationCWE: CWE-20
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: 68425
Nessus Name: Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2011-2037)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: 0d0138ebe24b94065580bd2601f8bb7eb6152f56
Timeline
12/03/2009 🔍07/11/2011 🔍
07/26/2011 🔍
05/24/2012 🔍
05/24/2012 🔍
05/23/2013 🔍
03/23/2015 🔍
12/02/2021 🔍
Sources
Vendor: kernel.orgAdvisory: 0d0138ebe24b94065580bd2601f8bb7eb6152f56
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-2707 (🔍)
OVAL: 🔍
X-Force: 68842
Vulnerability Center: 39683 - Linux Kernel Before 3.1 Local Information Disclosure via a Crafted PTRACE_SETXTREGS Request, Low
SecurityFocus: 47381
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 12/02/2021 07:25
Changes: 03/23/2015 16:50 (60), 04/30/2017 12:36 (5), 12/02/2021 07:12 (5), 12/02/2021 07:18 (11), 12/02/2021 07:25 (2)
Complete: 🔍
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