Summary
Package updates are available for Amazon Linux 2 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.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | krb5-debuginfo | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | krb5-devel | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | krb5-libs | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | krb5-pkinit | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | krb5-server | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | krb5-server-ldap | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | krb5-workstation | 0:1.15.1-55.amzn2.2.6 |
| Amazon Linux · 2 | libkadm5 | 0:1.15.1-55.amzn2.2.6 |
Vulnerabilities 1
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Unscored —
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 poi…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-36054.html