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redhatcveRedhat.comRH:CVE-2023-34623
HistoryAug 08, 2023 - 8:35 p.m.

CVE-2023-34623

2023-08-0820:35:19
redhat.com
access.redhat.com
21
flaw
untrusted html
parser
unsanitized user input
stack overflow
denial of service
mitigation
nested requests

7.5 High

CVSS3

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

0.001 Low

EPSS

Percentile

26.0%

A flaw was found in jtidy when parsing untrusted html. If the parser is running on unsanitized user input, an attacker could craft a request that causes the parser to crash by stack overflow, resulting in a denial of service (DoS).

Mitigation

This flaw can be mitigated by implementing sanitization against excessive nesting in user requests.

7.5 High

CVSS3

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

0.001 Low

EPSS

Percentile

26.0%