CVE-2023-36054
Description
Moderate: krb5 security and bug fix update
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2023-36054 NameCVE-2023-36054 Descriptionlib/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. SourceCVE (at NVD; CERT, ENISA, LWN,…
CVE-2023-36054
| 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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3626-1 |
| Debian Bugs | 1043431 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| krb5 (PTS) | bullseye | 1.18.3-6+deb11u5 | fixed |
| bullseye (security) | 1.18.3-6+deb11u8 | fixed | |
| bookworm | 1.20.1-2+deb12u4 | fixed | |
| bookworm (security) | 1.20.1-2+deb12u5 | fixed | |
| trixie | 1.21.3-5 | fixed | |
| trixie (security) | 1.21.3-5+deb13u1 | fixed | |
| forky, sid | 1.22.1-2.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| krb5 | source | buster | 1.17-3+deb10u6 | DLA-3626-1 | ||
| krb5 | source | bullseye | 1.18.3-6+deb11u4 | |||
| krb5 | source | bookworm | 1.20.1-2+deb12u1 | |||
| krb5 | source | (unstable) | 1.20.1-3 | 1043431 |
Notes
https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd
Apply commands
https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cddOS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 1.20.1-2+deb12u1 |
| debian | bullseye | fixed | 1.18.3-6+deb11u4 |
| debian | forky | fixed | 1.20.1-3 |
| debian | sid | fixed | 1.20.1-3 |
| debian | trixie | fixed | 1.20.1-3 |
| almalinux | 9 | fixed | krb5-devel-1.21.1-1.el9.aarch64.rpm |
References
💬 Discuss CVE-2023-36054 on VIR Community →
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.