Test ID:	1.3.6.1.4.1.25623.1.0.704944
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-4944-1)
Summary:	The remote host is missing an update for the Debian 'krb5' package(s) announced via the DSA-4944-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'krb5' package(s) announced via the DSA-4944-1 advisory. Vulnerability Insight: It was discovered that the Key Distribution Center (KDC) in krb5, the MIT implementation of Kerberos, is prone to a NULL pointer dereference flaw. An unauthenticated attacker can take advantage of this flaw to cause a denial of service (KDC crash) by sending a request containing a PA-ENCRYPTED-CHALLENGE padata element without using FAST. For the stable distribution (buster), this problem has been fixed in version 1.17-3+deb10u2. We recommend that you upgrade your krb5 packages. For the detailed security status of krb5 please refer to its security tracker page at: [link moved to references] Affected Software/OS: 'krb5' package(s) on Debian 10. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-36222 https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 Debian Security Information: DSA-4944 (Google Search) https://www.debian.org/security/2021/dsa-4944 https://github.com/krb5/krb5/releases https://web.mit.edu/kerberos/advisories/ https://www.oracle.com/security-alerts/cpuoct2021.html
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