GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one... · CVE-2021-46848 · GitHub Advisory Database · GitHub

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one...

Critical severity Unreviewed Published Oct 24, 2022 to the GitHub Advisory Database • Updated Feb 2, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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

References

Published by the National Vulnerability Database

Oct 24, 2022

Published to the GitHub Advisory Database Oct 24, 2022

Last updated Feb 2, 2023

Severity

Critical

9.1

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

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