virglrenderer up to 0.8.0 Command vrend_renderer.c vrend_renderer_transfer_write_iov out-of-bounds write

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

Summaryinfo

A vulnerability classified as critical was found in virglrenderer up to 0.8.0. The impacted element is the function vrend_renderer_transfer_write_iov of the file vrend_renderer.c of the component Command Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is handled as CVE-2019-18391. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in virglrenderer up to 0.8.0. It has been declared as critical. This vulnerability affects the function vrend_renderer_transfer_write_iov of the file vrend_renderer.c of the component Command Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

The weakness was released 12/23/2019 (Website). The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2019-18391 since 10/24/2019. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-147615, VDB-147614 and VDB-147613. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

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

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 write
CWE: CWE-787 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.freedesktop.org

Timelineinfo

10/24/2019 🔍
12/23/2019 +60 days 🔍
12/24/2019 +1 days 🔍
03/16/2024 +1544 days 🔍

Sourcesinfo

Advisory: 2abeb1802e3c005b17a7123e382171b3fb665971
Status: Not defined

CVE: CVE-2019-18391 (🔍)
GCVE (CVE): GCVE-0-2019-18391
GCVE (VulDB): GCVE-100-147616
See also: 🔍

Entryinfo

Created: 12/24/2019 09:50
Updated: 03/16/2024 14:43
Changes: 12/24/2019 09:50 (39), 12/24/2019 09:55 (17), 03/16/2024 14:38 (4), 03/16/2024 14:43 (1)
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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