QEMU 3.1.50 Device Driver hw/sparc64/sun4u.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in QEMU 3.1.50. Affected is an unknown function of the file hw/sparc64/sun4u.c of the component Device Driver. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2019-5008. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in QEMU 3.1.50 (Virtualization Software) and classified as problematic. Affected by this issue is an unknown code block of the file hw/sparc64/sun4u.c of the component Device Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

hw/sparc64/sun4u.c in QEMU 3.1.50 is vulnerable to a NULL pointer dereference, which allows the attacker to cause a denial of service via a device driver.

The bug was discovered 04/19/2019. The weakness was published 04/19/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2019-5008 since 01/03/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/26/2024).

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 108024†). Similar entries are available at VDB-132018 and VDB-132071. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

01/03/2019 🔍
04/19/2019 +106 days 🔍
04/19/2019 +0 days 🔍
04/19/2019 +0 days 🔍
04/20/2019 +1 days 🔍
10/26/2024 +2016 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: USN-3978-1⛔
Status: Confirmed

CVE: CVE-2019-5008 (🔍)
GCVE (CVE): GCVE-0-2019-5008
GCVE (VulDB): GCVE-100-133880
SecurityFocus: 108024 - QEMU 'hw/sparc64/sun4u.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 04/20/2019 07:34
Updated: 10/26/2024 21:14
Changes: 04/20/2019 07:34 (59), 05/31/2020 11:02 (4), 09/05/2023 00:02 (3), 10/26/2024 21:14 (16)
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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