CVE-2021-37750CWE-476

CVE-2021-37750

Medium · published August 23, 2021

CVSS v3.1
6.5
EPSS
3%
Percentile
84.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.02505 · 84.6th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2021-08-23T09:15Z
Affected products (6)
ProductVersionsFixed in
mit/kerberos_5< 1.18.51.18.5
mit/kerberos_5≥ 1.19.0, < 1.19.31.19.3
fedoraproject/fedoraall versions—
debian/debian_linuxall versions—
starwindsoftware/starwind_virtual_sanall versions—
oracle/communications_cloud_native_core_network_slice_selection_functionall versions—
References (17)
https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 · [email protected]https://github.com/krb5/krb5/releases · [email protected]https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/ · [email protected]https://security.netapp.com/advisory/ntap-20210923-0002/ · [email protected]https://web.mit.edu/kerberos/advisories/ · [email protected]https://www.oracle.com/security-alerts/cpujul2022.html · [email protected]https://www.starwindsoftware.com/security/sw-20220817-0004/ · [email protected]https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 · af854a3a-2127-422b-91ae-364da2661108https://github.com/krb5/krb5/releases · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/ · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210923-0002/ · af854a3a-2127-422b-91ae-364da2661108https://web.mit.edu/kerberos/advisories/ · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.html · af854a3a-2127-422b-91ae-364da2661108https://www.starwindsoftware.com/security/sw-20220817-0004/ · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 23 AUG 00:00Z
    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…
    cvelistv5