Date: Tue, 6 Jun 2023 10:12:29 -0700 From: Michael Jumper <mjumper@...che.org> To: announce@...che.org, announce@...camole.apache.org, dev@...camole.apache.org, user@...camole.apache.org Cc: security@...camole.apache.org, oss-security@...ts.openwall.com Subject: [SECURITY] CVE-2023-30576: Apache Guacamole: Use-after-free in handling of RDP audio input buffer Severity: moderate Base CVSS Score: 6.8 (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N) Affected versions: - Apache Guacamole 0.9.10 through 1.5.1 Description: Apache Guacamole 0.9.10 through 1.5.1 may continue to reference a freed RDP audio input buffer. Depending on timing, this may allow an attacker to execute arbitrary code with the privileges of the guacd process. Mitigation: Users of versions of Apache Guacamole 1.5.1 and older should upgrade to the 1.5.2 release. Credit: We would like to thank Stefan Schiller (Sonar) for reporting this issue. References: https://guacamole.apache.org/ https://www.cve.org/CVERecord?id=CVE-2023-30576 Timeline: 2023-04-11: Reported to security@...camole.apache.org 2023-04-11: Report acknowledged by project 2023-04-12: Report confirmed by project 2023-05-09: Fix completed and merged 2023-05-09: Fix tested and confirmed by reporter 2023-05-25: Fix released
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