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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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