Fabrice Bellard QEMU Websocket Frame Decoder resource management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Fabrice Bellard QEMU. Affected by this vulnerability is an unknown functionality of the component Websocket Frame Decoder. The manipulation leads to resource management. This vulnerability is traded as CVE-2015-1779. There is no exploit available.
Details
A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (version now known) and classified as problematic. This issue affects some unknown processing of the component Websocket Frame Decoder. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:
The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.
The weakness was shared 03/24/2015 as Bug 1199572 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2015-1779 since 02/17/2015. Access to the local network is required for this attack to succeed. 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 82963 (RHEL 7 : qemu-kvm (RHSA-2015:1943)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168804 (SUSE Enterprise Linux Security update for xen (SUSE-SU-2016:1318-1)).
The vulnerability is also documented in the databases at X-Force (101834), Tenable (82963), SecurityFocus (BID 72577†) and Vulnerability Center (SBV-54013†). bugzilla.redhat.com is providing further details. The entries VDB-13272, VDB-13273, VDB-13275 and VDB-68347 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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: 7.5VulDB Meta Temp Score: 7.1
VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.6
NVD Vector: 🔍
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: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 82963
Nessus Name: RHEL 7 : qemu-kvm (RHSA-2015:1943)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 703259
OpenVAS Name: Debian Security Advisory DSA 3259-1 (qemu - security update)
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
01/01/2014 🔍02/17/2015 🔍
03/24/2015 🔍
03/30/2015 🔍
04/22/2015 🔍
10/28/2015 🔍
01/12/2016 🔍
04/16/2022 🔍
Sources
Vendor: bellard.orgAdvisory: Bug 1199572
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-1779 (🔍)
GCVE (CVE): GCVE-0-2015-1779
GCVE (VulDB): GCVE-100-74129
OVAL: 🔍
X-Force: 101834 - QEMU websocket frame decoder denial of service
SecurityFocus: 72577
SecurityTracker: 1033975
Vulnerability Center: 54013 - QEMU Remote DoS Vulnerability in VNC Websocket Frame Decoder, High
Misc.: 🔍
See also: 🔍
Entry
Created: 03/30/2015 10:25Updated: 04/16/2022 09:10
Changes: 03/30/2015 10:25 (82), 03/02/2018 09:28 (1), 04/16/2022 09:09 (4), 04/16/2022 09:10 (1)
Complete: 🔍
Cache ID: 216:047:103
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