CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability was found in XenSource Xen 4.3.0 (Virtualization Software) and classified as critical. This issue affects an unknown code of the component PCI Backend Driver. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, integrity, and availability.
The weakness was presented 12/17/2015 by Konrad Rzeszutek Wilk with Oracle as XSA-157 as confirmed security advisory (Website). The advisory is shared at xenbits.xen.org. The identification of this vulnerability is CVE-2015-8551 since 12/14/2015. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 87529 (Ubuntu 12.04 LTS : linux vulnerabilities (USN-2846-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168771 (SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2016:1203-1)).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (109033) and Tenable (87529). See 8569, 78541, 79223 and 79228 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: 7.1VulDB Meta Temp Score: 6.6
VulDB Base Score: 8.2
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.0
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Denial of serviceCWE: CWE-404
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 87529
Nessus Name: Ubuntu 12.04 LTS : linux vulnerabilities (USN-2846-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 850584
OpenVAS Name: SuSE Update for the openSUSE-SU-2016:2184-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/14/2015 🔍12/17/2015 🔍
12/17/2015 🔍
12/17/2015 🔍
12/17/2015 🔍
12/18/2015 🔍
12/18/2015 🔍
12/21/2015 🔍
04/13/2016 🔍
07/01/2022 🔍
Sources
Vendor: citrix.comAdvisory: XSA-157
Researcher: Konrad Rzeszutek Wilk
Organization: Oracle
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-8551 (🔍)
OVAL: 🔍
X-Force: 109033 - Xen PCI backend driver denial of service
SecurityTracker: 1034480
Vulnerability Center: 55333 - Xen 3.* Local DoS Vulnerability due to Issue in Linux Pciback - CVE-2015-8551, Low
SecurityFocus: 79546 - Xen Multiple Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 12/18/2015 10:00Updated: 07/01/2022 11:38
Changes: 12/18/2015 10:00 (52), 06/19/2018 20:59 (29), 07/01/2022 11:30 (3), 07/01/2022 11:38 (11)
Complete: 🔍
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