CVE-2021-46848

critical

Description

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

References

https://gitlab.com/gnutls/libtasn1/-/issues/32

https://bugs.gentoo.org/866237

https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5

https://lists.fedoraproject.org/archives/list/[email protected]/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/

https://security.netapp.com/advisory/ntap-20221118-0006/

https://lists.fedoraproject.org/archives/list/[email protected]/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/

https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html

Details

Source: MITRE

Published: 2022-10-24

Updated: 2023-01-20

Type: CWE-125

CVSS v3

Base Score: 9.1

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

Impact Score: 5.2

Exploitability Score: 3.9

Severity: CRITICAL