QID 356343

Date Published: 2023-10-18

QID 356343: Amazon Linux Security Advisory for krb5 : AL2012-2023-446

Package updates are available for Amazon Linux that fix the following vulnerabilities:
CVE-2023-36054:
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.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as High - 6.5 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Administrators are advised to apply the appropriate software updates.

Vendor References

CVEs related to QID 356343

CVE-2023-36054 |

Software Advisories

Advisory ID	Software	Component	Link
AL2012-2023-446	Amazon Linux Bare Metal		docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html

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