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rosalinuxROSA LABROSA-SA-2023-2287
HistoryOct 31, 2023 - 2:41 p.m.

Advisory ROSA-SA-2023-2287

2023-10-3114:41:51
ROSA LAB
abf.rosalinux.ru
18
dnsmasq
rosa virtualization
cve-2022-0934
dhcpv6
denial of service
fixed
memory usage error

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

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

60.5%

Software: dnsmasq 2.79
OS: ROSA Virtualization 2.1

package_evr_string: dnsmasq-2.79-26.rv3.src.rpm

CVE-ID: CVE-2022-0934
BDU-ID: 2022-03253
CVE-Crit: HIGH
CVE-DESC.: A vulnerability in the DHCPv6 protocol implementation of the Dnsmasq DNS server is related to a memory usage error after memory is freed. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service by sending specially crafted packets
CVE-STATUS: Fixed
CVE-REV: To close, run the yum update dnsmasq command

OSVersionArchitecturePackageVersionFilename
ROSAanynoarchdnsmasq< 2.79UNKNOWN

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

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

60.5%