| Name | CVE-2023-36054 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1043431 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| krb5 (PTS) | buster | 1.17-3+deb10u4 | vulnerable |
| buster (security) | 1.17-3+deb10u5 | vulnerable |
| bullseye (security), bullseye | 1.18.3-6+deb11u3 | vulnerable |
| bookworm | 1.20.1-2 | vulnerable |
| sid, trixie | 1.20.1-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| krb5 | source | (unstable) | 1.20.1-3 | | | 1043431 |
Notes
[bookworm] - krb5 <no-dsa> (Minor issue)
[bullseye] - krb5 <no-dsa> (Minor issue)
[buster] - krb5 <postponed> (Minor issue, DoS)
https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd