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redosRedosROS-20221007-02
HistoryOct 07, 2022 - 12:00 a.m.

ROS-20221007-02

2022-10-0700:00:00
redos.red-soft.ru
13
lighttpd
web server
memory leak
mod_fastcgi
mod_scgi
invalid http requests
denial of service

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

EPSS

0.002

Percentile

62.2%

Vulnerability of lighttpd web server is related to memory leak in mod_fastcgi and mod_scgi modules while processing a large number of incorrect HTTP requests.
a large number of malformed HTTP requests. Exploiting the vulnerability could allow an attacker,
acting remotely, send multiple invalid HTTP requests to a web server and execute a denial of service attack.
"denial of service

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64lighttpd< 1.4.64-3UNKNOWN

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

EPSS

0.002

Percentile

62.2%