Fabrice Bellard QEMU CD/DVD-ROM Emulator access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Fabrice Bellard QEMU and classified as problematic. The impacted element is an unknown function of the component CD/DVD-ROM Emulator. This manipulation causes access control. The identification of this vulnerability is CVE-2015-6855. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Fabrice Bellard QEMU (Virtualization Software) (the affected version unknown). Affected by this vulnerability is an unknown part of the component CD/DVD-ROM Emulator. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect availability.

The weakness was shared 09/11/2015 as Bug 1260080 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2015-6855 since 09/10/2015. The exploitation appears to be easy. The attack needs to be done within the local network. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/15/2022). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 86408 (Fedora 22 : xen-4.5.1-10.fc22 (2015-4896530727)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. 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)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (106313), Tenable (86408), SecurityFocus (BID 76691†) and Vulnerability Center (SBV-54494†). Additional details are provided at seclists.org. The entries VDB-13272, VDB-13273, VDB-13275 and VDB-74129 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 86408
Nessus Name: Fedora 22 : xen-4.5.1-10.fc22 (2015-4896530727)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703361
OpenVAS Name: Debian Security Advisory DSA 3361-1 (qemu - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/10/2015 🔍
09/10/2015 +0 days 🔍
09/10/2015 +0 days 🔍
09/11/2015 +1 days 🔍
09/14/2015 +3 days 🔍
10/14/2015 +30 days 🔍
10/16/2015 +2 days 🔍
11/06/2015 +21 days 🔍
11/19/2015 +13 days 🔍
06/15/2022 +2399 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: Bug 1260080
Status: Not defined

CVE: CVE-2015-6855 (🔍)
GCVE (CVE): GCVE-0-2015-6855
GCVE (VulDB): GCVE-100-77689

OVAL: 🔍

X-Force: 106313 - Qemu emulator denial of service
SecurityFocus: 76691 - QEMU 'hw/ide/core.c' Denial of Service Vulnerability
Vulnerability Center: 54494 - QEMU <2.0.2 Remote DoS or Other Impact due to Divide-by-Zero via IDE Commands, Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/14/2015 12:08
Updated: 06/15/2022 01:14
Changes: 09/14/2015 12:08 (69), 04/18/2018 14:00 (11), 06/15/2022 01:01 (3), 06/15/2022 01:14 (11)
Complete: 🔍
Cache ID: 216:A1B:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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