Citrix XenServer 6.0.2 PHYSDEVOP_get_free_priq MAP_PIRQ_TYPE_GSI input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability was found in Citrix XenServer 6.0.2 (Virtualization Software). It has been rated as problematic. Affected by this issue is the function PHYSDEVOP_get_free_priq
. The manipulation of the argument MAP_PIRQ_TYPE_GSI
with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:
PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier allows local HVM guest OS kernels to cause a denial of service (host crash) and possibly read hypervisor or guest memory via vectors related to a missing range check of map->index.
The weakness was published 09/05/2012 by Matthew Daley as 2012-09/msg00005 as confirmed posting (Maillist). The advisory is available at lists.xen.org. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2012-3498 since 06/14/2012. Local access is required to approach this attack. Required for exploitation is a simple authentication. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 62155 (Fedora 16 : xen-4.1.3-2.fc16 (2012-13443)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370049 (Citrix XenServer Security Update (CTX134708)).
Applying the patch xsa16 is able to eliminate this problem. The bugfix is ready for download at lists.xen.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (78269) and Tenable (62155). Similar entries are available at 5876, 5927, 6105 and 6107.
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: 5.5VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.5
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
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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Nessus ID: 62155
Nessus Name: Fedora 16 : xen-4.1.3-2.fc16 (2012-13443)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 864722
OpenVAS Name: Fedora Update for xen FEDORA-2012-13434
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: 🔍
Patch: xsa16
Timeline
06/14/2012 🔍09/05/2012 🔍
09/05/2012 🔍
09/05/2012 🔍
09/05/2012 🔍
09/05/2012 🔍
09/10/2012 🔍
11/15/2012 🔍
11/23/2012 🔍
04/12/2021 🔍
Sources
Vendor: citrix.comAdvisory: 2012-09/msg00005
Researcher: Matthew Daley
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2012-3498 (🔍)
X-Force: 78269 - Xen PHYSDEVOP_map_pirq denial of service, Medium Risk
SecurityTracker: 1027483 - Xen PHYSDEVOP_map_pirq() Index Validation Flaw Lets Local Guest Operating Systems Cause Denial of Service Conditions on the Host Operating System
Vulnerability Center: 37243 - Citrix XenServer, Citrix NetScaler SDX and XenSource Xen Local Denial of Service - CVE-2012-3498, Medium
SecurityFocus: 55414 - Xen 'PHYSDEVOP_map_pirq' Index CVE-2012-3498 Denial of Service Vulnerability
Secunia: 50472 - Xen Multiple Denial of Service and Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 85198
See also: 🔍
Entry
Created: 09/10/2012 12:36Updated: 04/12/2021 08:13
Changes: 09/10/2012 12:36 (88), 04/21/2017 11:32 (4), 04/12/2021 08:13 (3)
Complete: 🔍
Committer: olku
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