CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Xen up to 4.9.x (Virtualization Software). It has been declared as problematic. This vulnerability affects an unknown code block of the component Hypervisor. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect availability. CVE summarizes:
An issue was discovered in Xen through 4.9.x allowing x86 guest OS users to cause a denial of service (hypervisor crash) or possibly gain privileges because MSI mapping was mishandled.
The bug was discovered 10/12/2017. The weakness was published 10/18/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2017-15590 since 10/18/2017. 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 neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 103927 (Citrix XenServer Multiple Vulnerabilities (CTX228867)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170438 (SUSE Enterprise Linux Security Update for xen (SUSE-SU-2017:2864-1)).
A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (103927). Similar entries are available at 98144, 107978, 107979 and 107981.
Product
Type
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: 6.3VulDB Meta Temp Score: 6.3
VulDB Base Score: 3.8
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Access controlCWE: CWE-264
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: 103927
Nessus Name: Citrix XenServer Multiple Vulnerabilities (CTX228867)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 850584
OpenVAS Name: SuSE Update for xen openSUSE-SU-2017:2821-1 (xen)
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
10/12/2017 🔍10/12/2017 🔍
10/18/2017 🔍
10/18/2017 🔍
10/18/2017 🔍
10/18/2017 🔍
10/18/2017 🔍
10/18/2017 🔍
01/04/2023 🔍
Sources
Advisory: DLA 1549-1⛔Researcher: Simon Gaiser
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-15590 (🔍)
OVAL: 🔍
SecurityTracker: 1039568
SecurityFocus: 101500 - Xen CVE-2017-15590 Multiple Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 10/19/2017 00:22Updated: 01/04/2023 07:36
Changes: 10/19/2017 00:22 (72), 11/25/2019 21:08 (5), 01/17/2021 10:00 (3), 01/17/2021 10:03 (1), 01/04/2023 07:36 (2)
Complete: 🔍
Cache ID: 3:BFD:103
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