CVE-2022-31122 : Vulnerability Insights and Analysis
Critical CVE-2022-31122: Wire-server versions < 2022-07-12 affected. Learn the impact, mitigation steps, and prevention strategies for this Token Recipient Confusion vulnerability.
GitHub_M has identified a vulnerability in Wire-server that could lead to Token Recipient Confusion, potentially resulting in account impersonation, deletion, or malicious account creation.
Understanding CVE-2022-31122
This CVE affects Wire-server versions prior to 2022-07-12/Chart 4.19.0 and involves an attacker exploiting SAML IdP metadata to impersonate accounts, delete authenticated accounts, and create arbitrary accounts on a targeted team.
What is CVE-2022-31122?
The CVE refers to a Token Recipient Confusion vulnerability in Wire-server, where unauthorized access could lead to grave consequences such as account impersonation, deletion, or unauthorized account creation.
The Impact of CVE-2022-31122
The impact of this vulnerability is critical, with a CVSS base score of 9.8 (Critical), indicating a severe threat to confidentiality, integrity, and availability of data.
Technical Details of CVE-2022-31122
The vulnerability stems from improper authentication handling and the generation of incorrect security tokens within Wire-server.
Vulnerability Description
Prior versions of Wire-server are susceptible to attackers leveraging SAML IdP metadata to manipulate account authentication and access controls, leading to unauthorized actions within targeted teams.
Affected Systems and Versions
Wire-server versions before 2022-07-12/Chart 4.19.0 are impacted by this vulnerability, exposing accounts to potential compromise and unauthorized actions.
Exploitation Mechanism
Attackers can utilize specific SAML configurations to confuse the token recipients, enabling them to carry out account impersonation, deletion, and creation of arbitrary accounts within targeted teams.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-31122, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
Organizations using Wire-server should update to version 2022-07-12/Chart 4.19.0 to patch the vulnerability. Additionally, disabling SAML configurations for teams can reduce the risk of exploitation.
Long-Term Security Practices
Regularly updating Wire-server instances and implementing secure configurations can enhance the overall security posture against similar vulnerabilities.
Patching and Updates
Ensure that all on-premise instances of Wire-server are updated to version 2022-07-12/Chart 4.19.0 to prevent unauthorized access and account manipulation.