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{"acknowledgement": "Red Hat would like to thank Jasiel Spelman (Google), Pedro Gallegos (Google), and Simon Scannell (Google) for reporting this issue.", "bugzilla": {"description": "rsync: rsync server leaks arbitrary client files", "id": "2330577", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2330577"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-390", "details": ["A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.", "A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-12086", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "rsync", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "rsync", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "rsync", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "rsync", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-01-14T15:06:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-12086\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-12086\nhttps://kb.cert.org/vuls/id/952657"], "statement": "This vulnerability marked as moderate rather than important because it requires the attacker to control the rsync server, which limits the scope of exploitation to scenarios where the client interacts with untrusted or compromised servers. Additionally, the attack is non-trivial, as it relies on the attacker sending specially crafted checksum values and deducing file contents byte-by-byte based on the client\u2019s responses. This makes the exploit more complex and time-consuming compared to direct file access vulnerabilities. Furthermore, the impact is limited to file data enumeration, and it does not allow arbitrary code execution or privilege escalation on the client.\nWithin regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting a CWE-390: Detection of Error Condition Without Action vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low.\nThe platform runs containerized workloads managed by liveness and readiness probes, ensuring applications recover from failures and do not operate in an unhealthy or insecure state. Firewalls are configured to fail securely, blocking unauthorized or malicious traffic during system failures or misconfigurations. Event logs are centrally collected and analyzed to detect recurring errors, crashes, and anomalous behavior. Error conditions are handled securely and audibly, ensuring failures are logged and addressed rather than ignored.", "threat_severity": "Moderate"}