Fabrice Bellard QEMU pci_dma_read/write out-of-bounds read

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CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability classified as critical was found in Fabrice Bellard QEMU (Virtualization Software) (the affected version is unknown). This vulnerability affects an unknown part of the file pci_dma_read/write. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-125. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 03/01/2016 as Bug 1300771 as confirmed bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2015-8817 since 03/01/2016. The exploitation appears to be difficult. The attack needs to be done within the local network. A single authentication is necessary for exploitation. Technical details are known, but there is no available exploit.

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 local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168944 (SUSE Enterprise Linux Security update for qemu (SUSE-SU-2016:1560-1)).

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 SecurityFocus (BID 69654), X-Force (111187) and Tenable (91660). The entries 67460, 75987, 81088 and 81155 are related to this item.

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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 9.0
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

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Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91660
Nessus Name: SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 55710
OpenVAS Name: SuSE Update for xen SUSE-SU-2016:1318-1 (xen)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfoedit

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Countermeasuresinfoedit

Recommended: Patch
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Patch: git.qemu.org

Timelineinfoedit

03/01/2016 🔍
03/01/2016 +0 days 🔍
03/03/2016 +2 days 🔍
06/13/2016 +101 days 🔍
06/17/2016 +4 days 🔍
12/29/2016 +195 days 🔍
08/19/2018 +598 days 🔍

Sourcesinfoedit

Vendor: https://bellard.org/

Advisory: Bug 1300771
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8817 (🔍)
SecurityFocus: 69654
X-Force: 111187 - Qemu address_space_translate denial of service

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Entryinfoedit

Created: 03/03/2016 10:53 AM
Updated: 08/19/2018 07:36 AM
Changes: (17) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a advisory_confirm_url countermeasure_date source_securityfocus
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