CVE-2021-35948

Session fixation on password protected public links in the ownCloud Server before 10.8.0 allows an attacker to bypass the password protection when they can force a target client to use a controlled cookie.

Weakness

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

Affected Software

Extended Description

Such a scenario is commonly observed when:

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/196.html
• https://cwe.mitre.org/data/definitions/21.html
• https://cwe.mitre.org/data/definitions/31.html
• https://cwe.mitre.org/data/definitions/39.html
• https://cwe.mitre.org/data/definitions/59.html
• https://cwe.mitre.org/data/definitions/60.html
• https://cwe.mitre.org/data/definitions/61.html

References

• https://doc.owncloud.com/server/admin_manual/release_notes.html
• https://owncloud.com/security-advisories/cve-2021-35948/