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redosRedosROS-20230419-02
HistoryApr 19, 2023 - 12:00 a.m.

ROS-20230419-02

2023-04-1900:00:00
redos.red-soft.ru
13

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

0.002 Low

EPSS

Percentile

61.7%

The vulnerability in the Dnsmasq DNS server is related to the maximum EDNS.0 UDP packet size (by default it was
set to 4096, but should be 1232). Exploitation of the vulnerability could allow an attacker to cause a
denial of service.

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64dnsmasq<= 2.85-5UNKNOWN

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

0.002 Low

EPSS

Percentile

61.7%