Guacamole RDP Audio UAF CVE-202330576 (0.9.101.5.1)
CVE-2023-30576 Published on June 7, 2023
Apache Guacamole: Use-after-free in handling of RDP audio input buffer
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.
Vulnerability Analysis
CVE-2023-30576 is exploitable with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Timeline
Reported to security@guacamole.apache.org
Report acknowledged by project
Report confirmed by project
Fix completed and merged 27 days later.
Fix tested and confirmed by reporter 1 day later.
Fix released 16 days later.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2023-30576 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2023-30576
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Affected Versions
Apache Software Foundation Apache Guacamole:- Version 0.9.10, <= 1.5.1 is affected.
- Version 0.9.10, <= 1.5.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.