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ubuntucveUbuntu.comUB:CVE-2022-2795
HistorySep 21, 2022 - 12:00 a.m.

CVE-2022-2795

2022-09-2100:00:00
ubuntu.com
ubuntu.com
15
cve-2022-2795
isc dhcp
resolver

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

6.8 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.0%

JSON

By flooding the target resolver with queries exploiting this flaw an
attacker can significantly impair the resolver’s performance, effectively
denying legitimate clients access to the DNS resolution service.

Notes

Author Note
alexmurray As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs
mdeslaur This is unlikely to affect isc-dhcp’s use of bind9-libs and the vendored bind9 libs, marking as negligible
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbind9< 1:9.11.3+dfsg-1ubuntu1.18UNKNOWN
ubuntu20.04noarchbind9< 1:9.16.1-0ubuntu2.11UNKNOWN
ubuntu22.04noarchbind9< 1:9.18.1-1ubuntu1.2UNKNOWN
ubuntu22.10noarchbind9< 1:9.18.4-2ubuntu2UNKNOWN
ubuntu23.04noarchbind9< 1:9.18.4-2ubuntu2UNKNOWN
ubuntu23.10noarchbind9< 1:9.18.4-2ubuntu2UNKNOWN
ubuntu24.04noarchbind9< 1:9.18.4-2ubuntu2UNKNOWN
ubuntu14.04noarchbind9< 1:9.9.5.dfsg-3ubuntu0.19+esm7UNKNOWN
ubuntu16.04noarchbind9< 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3UNKNOWN
ubuntu20.04noarchbind9-libs< anyUNKNOWN
Rows per page:
1-10 of 131

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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

6.8 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.0%

JSON
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