Google gVisor prior 2018-11-01 shm.go access control

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Google gVisor. It has been declared as critical. This affects an unknown part of the file pkg/sentry/kernel/shm/shm.go. Such manipulation leads to access control. This vulnerability is documented as CVE-2018-19333. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google gVisor and classified as critical. Affected by this issue is some unknown processing of the file pkg/sentry/kernel/shm/shm.go. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to overwrite memory locations in processes running as root (but not escape the sandbox) via vectors involving IPC_RMID shmctl calls, because reference counting is mishandled.

The bug was discovered 11/14/2018. The weakness was released 11/17/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2018-19333 since 11/17/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2018-11-01 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

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

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: gVisor 2018-11-01
Patch: github.com

Timelineinfo

11/01/2018 🔍
11/14/2018 +13 days 🔍
11/17/2018 +3 days 🔍
11/17/2018 +0 days 🔍
11/17/2018 +0 days 🔍
11/18/2018 +1 days 🔍
06/11/2023 +1666 days 🔍

Sourcesinfo

Vendor: google.com
Product: github.com

Advisory: 0e277a39c8b6f905e289b75e8ad0594e6b3562ca
Status: Not defined

CVE: CVE-2018-19333 (🔍)
GCVE (CVE): GCVE-0-2018-19333
GCVE (VulDB): GCVE-100-126986

Entryinfo

Created: 11/18/2018 16:00
Updated: 06/11/2023 07:27
Changes: 11/18/2018 16:00 (57), 04/13/2020 22:10 (1), 06/11/2023 07:27 (5)
Complete: 🔍
Cache ID: 216::103

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