CVE-2021-37750
CVE-2021-37750
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
CVSS 6.5 · Medium · EPSS 2.5% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
krb5 Debian:12
- Affected ranges
- ECOSYSTEM: < 1.18.3-7
Update to 1.18.3-7
krb5 Debian:13
- Affected ranges
- ECOSYSTEM: < 1.18.3-7
Update to 1.18.3-7
krb5 Debian:14
- Affected ranges
- ECOSYSTEM: < 1.18.3-7
Update to 1.18.3-7
krb5 Ubuntu:18.04:LTS
- Versions
- 1.15.1-2
- 1.16-2
- 1.16-2build1
- 1.16-2ubuntu0.1
- 1.16-2ubuntu0.2
- 1.16-2ubuntu0.3
- Affected ranges
- ECOSYSTEM: < 1.16-2ubuntu0.4
Update to 1.16-2ubuntu0.4
krb5 Ubuntu:20.04:LTS
- Versions
- 1.17-6
- 1.17-6ubuntu3
- 1.17-6ubuntu4
- 1.17-6ubuntu4.1
- 1.17-6ubuntu4.2
- Affected ranges
- ECOSYSTEM: < 1.17-6ubuntu4.3
Update to 1.17-6ubuntu4.3
Original sources
- https://web.mit.edu/kerberos/advisories/
- https://github.com/krb5/krb5/releases
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
- https://security.netapp.com/advisory/ntap-20210923-0002/
- https://www.starwindsoftware.com/security/sw-20220817-0004/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-37750