IM
IronMonkey Threat Research

CVE-2019-20367 CRITICAL

Published: 2020-01-08 | Last Modified: 2024-11-21 | Status: Modified

Description

nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).

Additional Descriptions (1)

El archivo nlist.c en libbsd versiones anteriores a la versión 0.10.0, tiene una lectura fuera de límites durante una comparación de un nombre de símbolo de la tabla de cadenas (strtab).

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

Base Score: 6.4 (MEDIUM)

AV:N/AC:L/Au:N/C:P/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 4.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-125

Affected Products

Vendor Product Version Update Type
freedesktop libbsd * <built-in method update of dict object at 0x7fd340a52b80> Application
debian debian_linux 9.0 <built-in method update of dict object at 0x7fd369c05300> Operating System
canonical ubuntu_linux 12.04 <built-in method update of dict object at 0x7fd340a42b40> Operating System
canonical ubuntu_linux 14.04 <built-in method update of dict object at 0x7fd34bb9da40> Operating System
canonical ubuntu_linux 16.04 <built-in method update of dict object at 0x7fd340a50780> Operating System
canonical ubuntu_linux 18.04 <built-in method update of dict object at 0x7fd340a50ac0> Operating System
canonical ubuntu_linux 19.04 <built-in method update of dict object at 0x7fd34bb9eac0> Operating System
opensuse leap 15.1 <built-in method update of dict object at 0x7fd34bb9d100> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:freedesktop:libbsd:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

References