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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5677.2 cSRX Series: Storing Passwords in a Recoverable Format and software permissions issues allows a local attacker to elevate privileges (CVE-2022-22251) 9 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Junos OS Publisher: Juniper Networks Operating System: Juniper Resolution: Patch/Upgrade CVE Names: CVE-2022-22251 Original Bulletin: https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-cSRX-Series-Storing-Passwords-in-a-Recoverable-Format-and-software-permissions-issues-allows-a-local-attacker-to-elevate-privileges-CVE-2022-22251 Comment: CVSS (Max): 7.8 CVE-2022-22251 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Revision History: November 9 2022: Correcting the typo in the Title November 8 2022: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Article ID: JSA69908 Product Affected: This issue affects Junos OS 20.2, 20.3, 20.4, 21.1. Affected platforms: cSRX Series. Severity Level: High CVSS Score: 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) Problem: On cSRX Series devices software permission issues in the container filesystem and stored files combined with storing passwords in a recoverable format in Juniper Networks Junos OS allows a local, low-privileged attacker to elevate their permissions to take control of any instance of a cSRX software deployment. This issue affects Juniper Networks Junos OS 20.2 version 20.2R1 and later versions prior to 21.2R1 on cSRX Series. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. This issue was found during internal product security testing or research. This issue has been assigned CVE-2022-22251. Solution: The following software releases have been updated to resolve this specific issue: Junos OS 21.2R1, and all subsequent releases. Additionally, customers using Docker or Kubernetes must contact JTAC to receive additional guidance on applying commands manually to deployments to provide a complete fix. This issue is being tracked as 1564383 which is visible on the Customer Support website. Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of Engineering (EOE) or End of Life (EOL). IMPLEMENTATION: Software Releases, patches and updates are available at https://support.juniper.net/support/downloads/. Workaround: There are no viable workarounds for this issue. To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to the cSRX instance to only trusted administrative networks, hosts and users. Severity Assessment: Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories." Modification History: 2022-10-12: Initial Publication. Related Information: KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin Publication Process KB16765: In which releases are vulnerabilities fixed? KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories Report a Security Vulnerability - How to Contact the Juniper Networks Security Incident Response Team Last Updated: 2022-10-12 Created: 2022-10-12 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. 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Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY2tRAMkNZI30y1K9AQgreg/+LBFA1pMxDrkg5B4Mh/LT7pI90D32y2FV gm0zgfnOOKs6HH+Cc7njEoFGb4ltXNhOYKuHSNPbzPjRsT2igRK9NBKq54joRo9N GYg9nEab7kueLD8CR+HCz0CvPEZ6sc6tZ7fYtqU7tixXCDRNDRcP1xscXZ3xMm2W CZH36p6iclX/wRcEJ/EAIjM2NecGZIc5uqWp9Nj5eY5W4eGtspprXBsshe1WDI25 3Xyi2EMwlBsgxKFaXBaKTxJl8isFYK1IpL6VeWLBJ+sQtOHZxH/BCBNNAWf4vw8f d4pFDBZTDTu90GwjlVAdprUTzDFxcPup9DQvQpg9ncynHCmPWY12NH0Q/cbj2wWG nGiHD/wq0aNLvzxSposA5shHqAAtGNP3FrN3KItR+bIOncu54UPgwDpSkuEanuEz juILTZBJ0hyn6OvR/U5JGjtp0scbZEv3xpMVKqbTb4pxYQWKvtdHGRf8fQkccxZi uG16o3A0THRrCsAdBEdkbcU2gc2GZ3uROEl7Fa5BYflr9rFQW/XYoVR5lyFzdUlj aUjV1aFNzWFUJNFZjF755VWmgLtFCnWhKIeW2AXdL2yppxJ1fkAfElo8rCEucD73 FfT/2eh7eRDbIYMR5TvzBe9X5CHto5e7nVZGPdi3OasrP77PRW/3UUEgy2cQRITB 9aSgO1X0zbo= =iinB -----END PGP SIGNATURE-----