Vulnerability identifier: #VU60245

Vulnerability 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-2022-21699

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ipython
Other software / Other software solutions

Vendor: ipython.org

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management when handling cross user temporary files. A local user can execute arbitrary code with privileges of another user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ipython: 8.0.0, 7.31.0, 7.30.0 - 7.30.1, 7.29.0, 7.28.0, 7.27.0, 7.26.0, 7.25.0, 7.24.0 - 7.24.1, 7.23.0 - 7.23.1, 7.19.0, 7.18.0 - 7.18.1, 7.16.0 - 7.16.2, 7.10.0 - 7.10.2, 7.1.0 - 7.1.1, 7.0.0 - 7.0.1, 6.4.0, 6.3.0 - 6.3.1, 6.2.0 - 6.2.1, 6.1.0, 6.0.0, 5.10.0, 5.9.0, 5.8.0, 5.7.0, 5.6.0, 5.5.0, 5.4.0 - 5.4.1, 5.3.0, 5.2.0 - 5.2.2, 5.1.0, 5.0.0, 4.2.0 - 4.2.1, 4.1.0 - 4.1.2, 4.0.0 - 4.0.3, 7.22.0, 7.21.0, 7.20.0, 3.2.0 - 3.2.3, 2.4.0 - 2.4.1, 2.3.0 - 2.3.1, 2.2.0, 2.1.0, 2.0.0, 3.1.0, 3.0.0, 6.5.0, 7.4.0, 7.3.0, 7.9.0, 7.8.0, 7.7.0, 7.6.0 - 7.6.1, 7.13.0, 7.12.0, 7.11.0 - 7.11.1, 7.17.0, 7.15.0, 7.2.0, 7.14.0, 7.5.0

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External links
http://ipython.readthedocs.io/en/stable/whatsnew/version8.html#ipython-8-0-1-cve-2022-21699
http://github.com/ipython/ipython/security/advisories/GHSA-pq7m-3gw7-gq5x
http://github.com/ipython/ipython/commit/46a51ed69cdf41b4333943d9ceeb945c4ede5668

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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.