| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Fabrice Bellard QEMU. The impacted element is an unknown function of the component NDIS Control Message Handler. Executing a manipulation can lead to numeric error. This vulnerability appears as CVE-2016-2538. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.
Details
A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (version unknown). It has been declared as critical. This vulnerability affects an unknown function of the component NDIS Control Message Handler. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 02/23/2016 by Qinghao Tang as Bug 1303120 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2016-2538 since 02/23/2016. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 91660 (SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176848 (Debian Security Update for qemu (DLA 1599-1)).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.qemu.org. A possible mitigation has been published 4 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (110926), Tenable (91660) and SecurityFocus (BID 83336†). See VDB-81154, VDB-81155, VDB-81198 and VDB-81711 for similar entries. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://bellard.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.4
VulDB Base Score: 9.0
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.1
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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 91660
Nessus Name: SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 866835
OpenVAS Name: Fedora Update for qemu FEDORA-2016-372
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: fe3c546c5ff2a6210f9a4d8561cc64051ca8603e
Timeline
02/21/2016 🔍02/23/2016 🔍
02/23/2016 🔍
02/26/2016 🔍
06/13/2016 🔍
06/16/2016 🔍
06/17/2016 🔍
07/08/2022 🔍
Sources
Vendor: bellard.orgAdvisory: Bug 1303120
Researcher: Qinghao Tang
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-2538 (🔍)
GCVE (CVE): GCVE-0-2016-2538
GCVE (VulDB): GCVE-100-81088
X-Force: 110926 - Qemu NDIS control message denial of service
SecurityFocus: 83336 - QEMU 'usb/dev-network.c' Integer Overflow Vulnerability
See also: 🔍
Entry
Created: 02/26/2016 09:42Updated: 07/08/2022 14:27
Changes: 02/26/2016 09:42 (70), 08/14/2018 08:21 (14), 07/08/2022 14:27 (4)
Complete: 🔍
Cache ID: 216:EA3:103
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