CVE-2020-28196 - Uncontrolled Recursion

Severity

75%

Complexity

39%

Confidentiality

60%

MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 4 years ago

2020-11-06 08:15:00

Last updated 4 years ago

2020-12-02 12:15:00

Affected Software

Mit Kerberos 5 -

References

https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd

[debian-lts-announce] 20201107 [SECURITY] [DLA 2437-1] krb5 security update

FEDORA-2020-32193cbbe6

FEDORA-2020-27b577ab23

GLSA-202011-17

https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd

Patch, Third Party Advisory

[debian-lts-announce] 20201107 [SECURITY] [DLA 2437-1] krb5 security update

Third Party Advisory

FEDORA-2020-32193cbbe6

Third Party Advisory

FEDORA-2020-27b577ab23

Third Party Advisory

GLSA-202011-17

Third Party Advisory

FEDORA-2020-0df38b2843

DSA-4795

https://security.netapp.com/advisory/ntap-20201202-0001/

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