QEMU 3.1 hw/scsi/scsi-generic.c scsi_handle_inquiry_reply out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in QEMU 3.1. The impacted element is the function scsi_handle_inquiry_reply of the file hw/scsi/scsi-generic.c. The manipulation results in out-of-bounds. This vulnerability was named CVE-2019-6501. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in QEMU 3.1 (Virtualization Software). It has been classified as critical. Affected is the function scsi_handle_inquiry_reply of the file hw/scsi/scsi-generic.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In QEMU 3.1, scsi_handle_inquiry_reply in hw/scsi/scsi-generic.c allows out-of-bounds write and read operations.

The bug was discovered 01/24/2019. The weakness was presented 03/21/2019 by Michael Hanselmann (oss-sec). The advisory is available at openwall.com. This vulnerability is traded as CVE-2019-6501 since 01/21/2019. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 56 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157973 (Oracle Enterprise Linux Security Update for qemu (ELSA-2019-4640)).

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 (209571) and SecurityFocus (BID 107059†). See VDB-131908, VDB-132071, VDB-133880 and VDB-135752 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2019 🔍
01/24/2019 +3 days 🔍
02/18/2019 +25 days 🔍
03/21/2019 +31 days 🔍
03/22/2019 +1 days 🔍
10/26/2024 +2045 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: RHSA-2019:2166
Researcher: Michael Hanselmann
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-6501 (🔍)
GCVE (CVE): GCVE-0-2019-6501
GCVE (VulDB): GCVE-100-132018
SecurityFocus: 107059 - QEMU CVE-2019-3812 Out-Of-Bounds Read Local Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 03/22/2019 08:39
Updated: 10/26/2024 22:07
Changes: 03/22/2019 08:39 (61), 05/18/2020 16:20 (5), 08/04/2023 07:37 (3), 10/26/2024 22:07 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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