IM
IronMonkey Threat Research

CVE-2022-25313 MEDIUM

Published: 2022-02-18 | Last Modified: 2025-05-30 | Status: Modified

Description

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

Additional Descriptions (1)

En Expat (también se conoce como libexpat) versiones anteriores a 2.4.5, un atacante puede desencadenar un agotamiento de pila en build_model por medio de una gran profundidad de anidamiento en el elemento DTD

CVSS Metrics

Base Score: 6.5 (MEDIUM)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 2.8

Impact Score: 3.6

Base Score: 4.3 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityMEDIUM
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 8.6

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-674
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-674

Affected Products

Vendor Product Version Update Type
libexpat_project libexpat * <built-in method update of dict object at 0x7fd360690800> Application
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd360693340> Operating System
debian debian_linux 11.0 <built-in method update of dict object at 0x7fd369e83bc0> Operating System
fedoraproject fedora 34 <built-in method update of dict object at 0x7fd360692a80> Operating System
fedoraproject fedora 35 <built-in method update of dict object at 0x7fd360691900> Operating System
oracle http_server 12.2.1.3.0 <built-in method update of dict object at 0x7fd3606932c0> Application
oracle http_server 12.2.1.4.0 <built-in method update of dict object at 0x7fd368e8b200> Application
oracle zfs_storage_appliance_kit 8.8 <built-in method update of dict object at 0x7fd3606900c0> Application
siemens sinema_remote_connect_server * <built-in method update of dict object at 0x7fd36865a400> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Yes cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
Yes cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
Yes cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*

References