krb5: fix CVE-2021-36222
CVE-2021-36222: ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation. References: https://nvd.nist.gov/vuln/detail/CVE-2021-36222 Patches from: https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 Signed-off-by:Yi Zhao <yi.zhao@windriver.com> Signed-off-by:
Khem Raj <raj.khem@gmail.com> (cherry picked from commit 620badcbf8a59fbd2cdda6ab01c4ffba1c3ee327) Signed-off-by:
Armin Kuster <akuster808@gmail.com>
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