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redosRedosROS-20221004-02
HistoryOct 04, 2022 - 12:00 a.m.

ROS-20221004-02

2022-10-0400:00:00
redos.red-soft.ru
3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

50.5%

Vulnerability of lighttpd web server is related to a null pointer dereferencing error in mod_wstunnel module
module when processing invalid HTTP requests. Exploitation of the vulnerability could allow an attacker,
remotely, send specially crafted HTTP requests to a vulnerable web server and execute a denial of service attack.
A denial of service (DoS) attack

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64lighttpd<= 1.4.64-2UNKNOWN

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

50.5%