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redosRedosROS-20231030-05
HistoryOct 30, 2023 - 12:00 a.m.

ROS-20231030-05

2023-10-3000:00:00
redos.red-soft.ru
11
apache http server
vulnerability
blocking
http/2
connection processing
initial sliding window
denial of service
remote

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

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%

Apache HTTP Server vulnerability is related to blocking HTTP/2 connection processing if it was opened with 0 initial sliding window size.
was opened with the initial sliding window size set to 0. Exploitation of the vulnerability could
Allow an attacker acting remotely to cause a denial of service

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64httpd<= 2.4.58-1UNKNOWN

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

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%