QEMU 4.2.0 hw/scsi/megasas.c megasas_lookup_frame reply_queue_head out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in QEMU 4.2.0. This impacts the function megasas_lookup_frame of the file hw/scsi/megasas.c. Such manipulation of the argument reply_queue_head leads to out-of-bounds. This vulnerability is listed as CVE-2020-13362. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in QEMU 4.2.0 (Virtualization Software). Affected by this issue is the function megasas_lookup_frame of the file hw/scsi/megasas.c. The manipulation of the argument reply_queue_head with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:

In QEMU 4.2.0, megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS user.

The weakness was presented 05/28/2020 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2020-13362 since 05/21/2020. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

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.

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 vulnerability database at Tenable (209571). See VDB-155647 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.2
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.2
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/21/2020 🔍
05/28/2020 +7 days 🔍
05/29/2020 +1 days 🔍
10/26/2024 +1611 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-13362 (🔍)
GCVE (CVE): GCVE-0-2020-13362
GCVE (VulDB): GCVE-100-155648
See also: 🔍

Entryinfo

Created: 05/30/2020 00:02
Updated: 10/26/2024 22:07
Changes: 05/30/2020 00:02 (39), 05/30/2020 00:07 (18), 10/19/2020 12:10 (1), 10/26/2024 22:07 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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