| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in QEMU 1.6.0. It has been classified as critical. The affected element is an unknown function of the component Privileges. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2014-5263. No exploit exists.
Details
A vulnerability was found in QEMU 1.6.0 (Virtualization Software). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Privileges. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
vmstate_xhci_event in hw/usb/hcd-xhci.c in QEMU 1.6.0 does not terminate the list with the VMSTATE_END_OF_LIST macro, which allows attackers to cause a denial of service (out-of-bounds access, infinite loop, and memory corruption) and possibly gain privileges via unspecified vectors.
The weakness was disclosed 08/26/2014 by Laszlo Ersek (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2014-5263. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/28/2022).
The vulnerability scanner Nessus provides a plugin with the ID 79811 (GLSA-201412-01 : QEMU: Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195671 (Ubuntu Security Notification for Qemu, Qemu-kvm Vulnerabilities (USN-2409-1)).
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 databases at Tenable (79811), SecurityFocus (BID 69247†) and Vulnerability Center (SBV-47911†). The entries VDB-67403 and VDB-46302 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Name
Version
License
Website
- Product: https://www.qemu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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: 79811
Nessus Name: GLSA-201412-01 : QEMU: Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for qemu USN-2409-1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: 3afca1d6d413592c2b78cf28f52fa24a586d8f56
Timeline
08/04/2014 🔍08/04/2014 🔍
08/15/2014 🔍
08/26/2014 🔍
08/26/2014 🔍
01/04/2015 🔍
03/26/2015 🔍
03/28/2022 🔍
Sources
Product: qemu.orgAdvisory: USN-2409-1
Researcher: Laszlo Ersek
Status: Not defined
Confirmation: 🔍
CVE: CVE-2014-5263 (🔍)
GCVE (CVE): GCVE-0-2014-5263
GCVE (VulDB): GCVE-100-70747
OVAL: 🔍
SecurityFocus: 69247 - QEMU 'vmstate_xhci_event' Field Memory Corruption Vulnerability
Vulnerability Center: 47911 - QEMU 1.6.0 \x27vmstate_xhci_event in hw/usb/hcd-xhci.c\x27 Remote DoS and Privilege Escalation Vulnerability, Medium
See also: 🔍
Entry
Created: 03/26/2015 12:07Updated: 03/28/2022 15:12
Changes: 03/26/2015 12:07 (61), 06/17/2017 07:30 (8), 03/28/2022 15:07 (6), 03/28/2022 15:12 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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