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{"affected_release": [{"advisory": "RHSA-2023:6699", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "krb5-0:1.21.1-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6699", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "krb5-0:1.21.1-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "krb5: Denial of service through freeing uninitialized pointer", "id": "2230178", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2230178"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-824", "details": ["lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.", "A vulnerability was found in the _xdr_kadm5_principal_ent_rec() function in lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (krb5). This issue occurs due to lack of validation in the relationship between n_key_data and the key_data array count, leading to the freeing of uninitialized pointers. This may allow a remote authenticated attacker to send a specially crafted request that causes the kadmind process to crash, resulting in a denial of service (DoS)."], "name": "CVE-2023-36054", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Out of support scope", "package_name": "krb5", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}], "public_date": "2023-08-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-36054\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-36054\nhttps://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd\nhttps://github.com/krb5/krb5/compare/krb5-1.20.1-final...krb5-1.20.2-final\nhttps://github.com/krb5/krb5/compare/krb5-1.21-final...krb5-1.21.1-final\nhttps://web.mit.edu/kerberos/www/advisories/"], "statement": "Remote code execution is unlikely. An attacker with control of a kadmin server can only cause a kadmin client to crash by freeing uninitialized pointers.", "threat_severity": "Moderate", "upstream_fix": "krb5 1.20.2, krb5 1.21.1"}