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veracodeVeracode Vulnerability DatabaseVERACODE:45430
HistoryFeb 11, 2024 - 8:46 a.m.

Denial Of Service

2024-02-1108:46:00
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
16
libexpat
denial of service
vulnerability
buffer fills
available resources

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

38.0%

libexpat is vulnerable of Denial of service. The vulnerability due to many full reparsings are required in the case of a large token for which multiple buffer fills are needed. It leads to the exhaustion of available resources.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

38.0%