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{"affected_release": [{"advisory": "RHSA-2015:2154", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "krb5-0:1.13.2-10.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}], "bugzilla": {"description": "krb5: issues in OTP and PKINIT kdcpreauth modules leading to requires_preauth bypass", "id": "1216133", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1216133"}, "csaw": false, "cvss": {"cvss_base_score": "5.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "status": "verified"}, "details": ["The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.2 do not properly track whether a client's request has been validated, which allows remote attackers to bypass an intended preauthentication requirement by providing (1) zero bytes of data or (2) an arbitrary realm name, related to plugins/preauth/otp/main.c and plugins/preauth/pkinit/pkinit_srv.c.", "A flaw was found in the OTP kdcpreauth module of MIT Kerberos. A remote attacker could use this flaw to bypass the requires_preauth flag on a client principal and obtain a ciphertext encrypted in the principal's long-term key. This ciphertext could be used to conduct an off-line dictionary attack against the user's password."], "name": "CVE-2015-2694", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2015-04-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-2694\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-2694"], "statement": "This issue does not affect the version of krb5 package as shipped with Red Hat Enterprise Linux 5 and 6.", "threat_severity": "Moderate"}