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{"bugzilla": {"description": "tomcat: RCE due to TOCTOU issue in JSP compilation", "id": "2332817", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2332817"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-367", "details": ["Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration).\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97.\nUsers are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.", "A flaw was found in Tomcat. A Time-of-check Time-of-use (TOCTOU) race condition occurs during JSP compilation on case-insensitive file systems when the default servlet is enabled for writing. This vulnerability allows an uploaded file to be treated as a JSP and executed, resulting in remote code execution."], "mitigation": {"lang": "en:us", "value": "Consider setting the readonly initialization parameter value to true (the default value), if that is not possible, do not use a case insensitive file system."}, "name": "CVE-2024-50379", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "tomcat6", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "pki-deps:10.6/pki-servlet-engine", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "pki-servlet-engine", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat JBoss Web Server 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:6", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat JBoss Web Server 6"}], "public_date": "2024-12-17T12:34:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50379\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50379\nhttps://lists.apache.org/thread/y6lj6q1xnp822g6ro70tn19sgtjmr80r"], "statement": "This flaw can only be exploited when the `readonly` initialization parameter value is set to `false`, when running on case insensitive file systems and when the application is under load, specifically when read and upload operations are performed on the same file simultaneously. However, this issue still has an Important severity as it allows remote code execution without user interaction.\nThe default `readonly` initialization parameter value is `true` and not vulnerable to this issue.\nThe Tomcat package as shipped in Red Hat Enterprise Linux 6 and 7 is not affected by this vulnerability because the vulnerable code was introduced in a newer Tomcat version.", "threat_severity": "Important"}