CVE-2022-24302: Race Condition
First published: Thu Mar 17 2022(Updated: )
In Paramiko before 2.10.1, a race condition (between creation and chmod) in the write_private_key_file function could allow unauthorized information disclosure.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/paramiko | >=2.9.0<2.9.3 | 2.9.3 |
| pip/paramiko | >=2.10.0<2.10.1 | 2.10.1 |
| Paramiko Paramiko | <2.10.1 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| <2.10.1 | ||
| =9.0 | ||
| =10.0 | ||
| =34 | ||
| =35 | ||
| =36 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2022-24302
- https://github.com/paramiko/paramiko/blob/363a28d94cada17f012c1604a3c99c71a2bda003/paramiko/pkey.py#L546
- https://www.paramiko.org/changelog.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00032.html
- https://github.com/paramiko/paramiko/commit/4c491e299c9b800358b16fa4886d8d94f45abe2e
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LUEUEGILZ7MQXRSUF5VMMO4SWJQVPTQL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TPMKRUS4HO3P7NR7P4Y6CLHB4MBEE3AI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U63MJ2VOLLQ35R7CYNREUHSXYLWNPVSB/
- https://github.com/advisories/GHSA-f8q4-jwww-x3wv (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/paramiko/PYSEC-2022-166.yaml
- https://lists.debian.org/debian-lts-announce/2022/09/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U63MJ2VOLLQ35R7CYNREUHSXYLWNPVSB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LUEUEGILZ7MQXRSUF5VMMO4SWJQVPTQL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPMKRUS4HO3P7NR7P4Y6CLHB4MBEE3AI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LUEUEGILZ7MQXRSUF5VMMO4SWJQVPTQL
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TPMKRUS4HO3P7NR7P4Y6CLHB4MBEE3AI
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U63MJ2VOLLQ35R7CYNREUHSXYLWNPVSB
Frequently Asked Questions
What is CVE-2022-24302?
CVE-2022-24302 is a vulnerability in Paramiko that allows unauthorized information disclosure due to a race condition in the write_private_key_file function.
What is the severity of CVE-2022-24302?
The severity of CVE-2022-24302 is medium with a CVSS score of 5.9.
How does CVE-2022-24302 affect Paramiko?
CVE-2022-24302 affects Paramiko versions before 2.10.1.
How can I fix CVE-2022-24302?
To fix CVE-2022-24302, you should upgrade to Paramiko version 2.10.1 or later.
Are there any references available for CVE-2022-24302?
Yes, you can find more information about CVE-2022-24302 at the following references: NVD (https://nvd.nist.gov/vuln/detail/CVE-2022-24302), GitHub (https://github.com/paramiko/paramiko/blob/363a28d94cada17f012c1604a3c99c71a2bda003/paramiko/pkey.py#L546), Paramiko Changelog (https://www.paramiko.org/changelog.html).
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