CVE-2021-46848

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

CVSS v3.0 9.1 CRITICAL

9.1^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.com/gnutls/libtasn1/-/issues/32	Exploit Issue Tracking Third Party Advisory
https://bugs.gentoo.org/866237	Issue Tracking Patch Third Party Advisory
https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20221118-0006/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:libtasn1:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:35:::::::*
	cpe:2.3:o:fedoraproject:fedora:36:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2022-10-24 07:15

Updated : 2023-01-20 05:55

NVD link : CVE-2021-46848

Mitre link : CVE-2021-46848

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Products Affected

debian

debian_linux

gnu

libtasn1

fedoraproject

fedora

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