Fabrice Bellard QEMU 1.2.0 File Descriptors denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Fabrice Bellard QEMU 1.2.0. The impacted element is an unknown function of the component File Descriptors. Performing a manipulation results in denial of service. Additionally, an exploit exists.
Details
A vulnerability classified as problematic has been found in Fabrice Bellard QEMU 1.2.0 (Virtualization Software). This affects some unknown processing of the component File Descriptors. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was released 09/21/2012 as DNS activity in slirp (user networking) mode quickly depletes file descriptors and crashes qemu as confirmed advisory (Website). It is possible to read the advisory at bugs.launchpad.net. The public release was coordinated with Fabrice Bellard. The exploitability is told to be easy. Attacking locally is a requirement. Required for exploitation is a authentication. Technical details are unknown but a public exploit is available.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at OSVDB (98147†). Entry connected to this vulnerability is available at VDB-10612. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://bellard.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.5
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
09/21/2012 🔍09/21/2012 🔍
10/09/2013 🔍
05/13/2018 🔍
Sources
Vendor: bellard.orgAdvisory: DNS activity in slirp (user networking) mode quickly depletes file descriptors and crashes qemu
Status: Confirmed
Coordinated: 🔍
GCVE (VulDB): GCVE-100-10611
OSVDB: 98147
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 10/09/2013 10:07Updated: 05/13/2018 10:21
Changes: 10/09/2013 10:07 (44), 05/13/2018 10:21 (2)
Complete: 🔍
Committer:
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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