CVE Vulnerability

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

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

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
Configurations

Configuration 1

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

Published : 2018-11-17 05:29

Updated : 2020-08-24 05:37

NVD link : CVE-2018-19333

Mitre link : CVE-2018-19333

Products Affected
No products.
CWE
NVD-CWE-noinfo