CVE-2018-19333

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://justi.cz/security/2018/11/14/gvisor-lpe.html	Exploit Third Party Advisory
https://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:google:gvisor:*:*:*:*:*:*:*:*

Information

Published : 2018-11-17 09:29

Updated : 2020-08-24 10:37

NVD link : CVE-2018-19333

Mitre link : CVE-2018-19333

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

google

gvisor

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