IM
IronMonkey Threat Research

CVE-2021-46848 CRITICAL

Published: 2022-10-24 | Last Modified: 2025-05-07 | Status: Modified

Description

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

Additional Descriptions (1)

GNU Libtasn1 versiones anteriores a 4.19.0, presenta una comprobación de tamaño de matriz ETYPE_OK fuera de lugar que afecta a la función asn1_encode_simple_der

CVSS Metrics

Base Score: 9.1 (CRITICAL)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.2

Weaknesses

Source Type Description
[email protected] Primary
en CWE-193
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-193

Affected Products

Vendor Product Version Update Type
gnu libtasn1 * <built-in method update of dict object at 0x7fd39c47d940> Application
fedoraproject fedora 35 <built-in method update of dict object at 0x7fd39c47f900> Operating System
fedoraproject fedora 36 <built-in method update of dict object at 0x7fd369e80b00> Operating System
fedoraproject fedora 37 <built-in method update of dict object at 0x7fd386744180> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd39c47ecc0> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:gnu:libtasn1:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References