Privilege escalation in Jupyter Core

1) Untrusted search path

EUVDB-ID: #VU77174

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39286

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to jupyter_core executes untrused files from the current working directory. A local user can place a malicious file on the system and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Jupyter Core: 4.0 - 4.11.1

External links

http://github.com/jupyter/jupyter_core/commit/1118c8ce01800cb689d51f655f5ccef19516e283
http://github.com/jupyter/jupyter_core/security/advisories/GHSA-m678-f26j-3hrp
http://lists.debian.org/debian-lts-announce/2022/11/msg00022.html
http://security.gentoo.org/glsa/202301-04
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KKMP5OXXIX2QAUNVNJZ5UEQFKDYYJVBA/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YIDN7JMLK6AOMBQI4QPSW4MBQGWQ5NIN/
http://www.debian.org/security/2023/dsa-5422

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.