CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
57.3%
There exists a vulnerability in exception sanitization of vm2 for versions up to 3.9.16, allowing attackers to raise an unsanitized host exception inside handleException()
which can be used to escape the sandbox and run arbitrary code in host context.
A threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox.
This vulnerability was patched in the release of version 3.9.17
of vm2
.
None.
PoC - https://gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
If you have any questions or comments about this advisory:
Thanks to Xion (SeungHyun Lee) of KAIST Hacking Lab for disclosing this vulnerability.
gist.github.com/leesh3288/381b230b04936dd4d74aaf90cc8bb244
github.com/patriksimek/vm2
github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049
github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5
github.com/patriksimek/vm2/releases/tag/3.9.17
github.com/patriksimek/vm2/security/advisories/GHSA-ch3r-j5x3-6q2m
nvd.nist.gov/vuln/detail/CVE-2023-30547
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
57.3%