CVE-2021-37750

· MEDIUMModified

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CVSS v3.1

6.5

EPSS

2.17%

Published

Aug 23, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-476

Affected Products (6)

mit · kerberos_5 (up to 1.18.5)vulnerable

mit · kerberos_5 (up to 1.19.3)vulnerable

fedoraproject · fedoravulnerable

debian · debian_linuxvulnerable

starwindsoftware · starwind_virtual_sanvulnerable

oracle · communications_cloud_native_core_network_slice_selection_functionvulnerable

References (16)

https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49

PatchThird Party Advisory

https://github.com/krb5/krb5/releases

Release NotesThird Party Advisory

https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/

https://security.netapp.com/advisory/ntap-20210923-0002/

Third Party Advisory

https://web.mit.edu/kerberos/advisories/

Vendor Advisory

https://www.oracle.com/security-alerts/cpujul2022.html

PatchThird Party Advisory

https://www.starwindsoftware.com/security/sw-20220817-0004/

Third Party Advisory

https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49

PatchThird Party Advisory

https://github.com/krb5/krb5/releases

Release NotesThird Party Advisory

https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/

https://security.netapp.com/advisory/ntap-20210923-0002/

Third Party Advisory

https://web.mit.edu/kerberos/advisories/

Vendor Advisory

https://www.oracle.com/security-alerts/cpujul2022.html

PatchThird Party Advisory

https://www.starwindsoftware.com/security/sw-20220817-0004/

Third Party Advisory

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