Linux Foundation Xen 4.4.0 alloc_domain_struct information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Linux Foundation Xen 4.4.0 (Virtualization Software). Affected by this issue is the function alloc_domain_struct
. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:
The alloc_domain_struct function in arch/arm/domain.c in Xen 4.4.x, when running on an ARM platform, does not properly initialize the structure containing the grant table pages for a domain, which allows local guest administrators to obtain sensitive information via the GNTTABOP_setup_table subhypercall.
The weakness was published 07/09/2014 by Julien Grall as XSA-101 as confirmed security advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability is handled as CVE-2014-4022 since 06/11/2014. The exploitation is known to be easy. The attack can only be initiated within the local network. A simple authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Similar entry is available at 47320.
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: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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
ATT&CK: T1592
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
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: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
06/11/2014 🔍06/25/2014 🔍
06/26/2014 🔍
07/09/2014 🔍
07/09/2014 🔍
07/09/2014 🔍
03/26/2015 🔍
03/24/2022 🔍
Sources
Vendor: linuxfoundation.orgAdvisory: XSA-101
Researcher: Julien Grall
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-4022 (🔍)
SecurityTracker: 1030471
SecurityFocus: 68184 - Xen 'gnttab_setup_table' Information Disclosure Vulnerability
Secunia: 59523 - Xen ARM Grant Table Pages Memory Disclosure Weakness, Not Critical
See also: 🔍
Entry
Created: 03/26/2015 12:07Updated: 03/24/2022 15:31
Changes: 03/26/2015 12:07 (61), 03/11/2019 09:23 (1), 03/24/2022 15:31 (3)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.