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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.0633 Jira Service Management Server and Data Center Advisory (CVE-2023-22501) 3 February 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Jira Service Management Server Jira Service Data Center Publisher: Atlassian Operating System: Windows Linux variants Resolution: Patch/Upgrade CVE Names: CVE-2023-22501 Original Bulletin: https://confluence.atlassian.com/jira/jira-service-management-server-and-data-center-advisory-2023-02-01-1188786458.html Comment: CVSS (Max): None available when published - --------------------------BEGIN INCLUDED TEXT-------------------- +----------------+------------------------------------------------------------+ | Summary |CVE-2023-22501 - Broken Authentication vulnerability in Jira| | |Service Management | +----------------+------------------------------------------------------------+ |Advisory Release|01 February 2023 10:00 AM PDT (Pacific Time, -7 hours) | | Date | | +----------------+------------------------------------------------------------+ | | o Jira Service Management Server | | Product | | | | o Jira Service Management Data Center | +----------------+------------------------------------------------------------+ | CVE ID(s) |CVE-2023-22501 | +----------------+------------------------------------------------------------+ Summary of Vulnerability This advisory discloses a critical severity security vulnerability which was introduced in version 5.3.0 of Jira Service Management Server and Data Center. The following versions are affected by this vulnerability: o 5.3.0 o 5.3.1 o 5.3.2 o 5.4.0 o 5.4.1 o 5.5.0 An authentication vulnerability was discovered in Jira Service Management Server and Data Center which allows an attacker to impersonate another user and gain access to a Jira Service Management instance under certain circumstances. With write access to a User Directory and outgoing email enabled on a Jira Service Management instance, an attacker could gain access to signup tokens sent to users with accounts that have never been logged into. Access to these tokens can be obtained in two cases: o If the attacker is included on Jira issues or requests with these users, or o If the attacker is forwarded or otherwise gains access to emails containing a "View Request" link from these users. Bot accounts are particularly susceptible to this scenario. On instances with single sign-on, external customer accounts can be affected in projects where anyone can create their own account. The issue can be tracked here: JSDSERVER-12312 - Getting issue details... STATUS +-----------------------------------------------------------------------------+ |Atlassian Cloud sites are not affected. | | | |If your Jira site is accessed via an atlassian.net domain, it is hosted by | |Atlassian and you are not affected by the vulnerability. | +-----------------------------------------------------------------------------+ Severity Atlassian rates the severity level of this vulnerability as critical, according to the scale published in our Atlassian severity levels. The scale allows us to rank the severity as critical, high, moderate or low. This is our assessment and you should evaluate its applicability to your own IT environment. Affected Versions Jira Service Management Server and Data Center versions 5.3.0 to 5.3.1 and 5.4.0 to 5.5.0 are affected by this vulnerability. +----------------------------------------------+-----------------+ | Product |Affected Versions| +----------------------------------------------+-----------------+ | | o 5.3.0 | | | | | | o 5.3.1 | | | | | | o 5.3.2 | |Jira Service Management Server and Data Center| | | | o 5.4.0 | | | | | | o 5.4.1 | | | | | | o 5.5.0 | +----------------------------------------------+-----------------+ Fixed Versions +----------------------------------------------+------------------+ | Product | Fixed Versions | +----------------------------------------------+------------------+ | | o 5.3.3 | | | | | | o 5.4.2 | |Jira Service Management Server and Data Center| | | | o 5.5.1 | | | | | | o 5.6.0 or later| +----------------------------------------------+------------------+ What You Need to Do Atlassian recommends that you upgrade each of your affected installations to one of the listed fixed versions (or any later version) above (see the "Fixed Versions" section of this page for details). For a full description of the latest version of Jira Service Management Server and Data Center, see the release notes. You can download the latest version of Jira Service Management and Data Center from the download center. For Frequently Asked Questions (FAQ), click here. Mitigation Installing a fixed version of Jira Service Management is the recommended way to remediate this vulnerability. If you are unable to immediately upgrade Jira Service Management, you can manually upgrade the version-specific servicedesk-variable-substitution-plugin JAR file as a temporary workaround. +-----------------+-----------------------------------------------------------+ | Jira Service | | | Management | JAR File | | Versions | | +-----------------+-----------------------------------------------------------+ |5.5.0 |[placeholde] | | |servicedesk-variable-substitution-plugin-5.5.1-REL-0005.jar| +-----------------+-----------------------------------------------------------+ |5.4.0, 5.4.1 |[placeholde] | | |servicedesk-variable-substitution-plugin-5.4.2-REL-0005.jar| +-----------------+-----------------------------------------------------------+ |5.3.0, 5.3.1, |[placeholde] | |5.3.2 |servicedesk-variable-substitution-plugin-5.3.3-REL-0001.jar| +-----------------+-----------------------------------------------------------+ To update the servicedesk-variable-substitution-plugin JAR file: 1. Download the version-specific JAR file from the table above. 2. Stop Jira. 3. Copy the JAR file into your Jira home directory. 1. For Server: <Jira_Home>/plugins/installed-plugins 2. For Data Center: <Jira_Shared>/plugins/installed-plugins 4. Start Jira. Detection Atlassian cannot confirm if your instance has been affected by this vulnerability, but there are some steps you can follow to investigate your instances for potential unauthorized access. You can see the detailed steps outlined on the Frequently Asked Questions (FAQ) page here. Last modified on Feb 1, 2023 - --------------------------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. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. 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). 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