QEMU 4.0.0 hw/display/qxl.c interface_release_resource null pointer dereference

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

Summaryinfo

A vulnerability was found in QEMU 4.0.0. It has been rated as problematic. This affects the function interface_release_resource of the file hw/display/qxl.c. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2019-12155. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in QEMU 4.0.0 (Virtualization Software). It has been classified as problematic. This affects the function interface_release_resource of the file hw/display/qxl.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

interface_release_resource in hw/display/qxl.c in QEMU 4.0.0 has a NULL pointer dereference.

The weakness was published 05/24/2019 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2019-12155 since 05/17/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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 176912 (Debian Security Update for qemu (DSA 4454-1)).

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 106007†). Similar entries are available at VDB-127968, VDB-127970, VDB-131004 and VDB-131908. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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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: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍

Patch: 3be7eb2f47bf71db5f80fcf8750ea395dd5ffdd2

Timelineinfo

11/22/2018 🔍
05/17/2019 +176 days 🔍
05/24/2019 +7 days 🔍
05/25/2019 +1 days 🔍
10/26/2024 +1981 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: RHSA-2019:2607
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-12155 (🔍)
GCVE (CVE): GCVE-0-2019-12155
GCVE (VulDB): GCVE-100-135555
SecurityFocus: 106007 - QEMU CVE-2018-19489 Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 05/25/2019 11:07
Updated: 10/26/2024 21:14
Changes: 05/25/2019 11:07 (60), 06/16/2020 08:51 (3), 09/24/2023 14:03 (5), 10/26/2024 21:14 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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