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ubuntuUbuntuUSN-5658-3
HistoryNov 21, 2022 - 12:00 a.m.

DHCP vulnerabilities

2022-11-2100:00:00
ubuntu.com
20
dhcp server
ubuntu 14.04
vulnerabilities
denial of service

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.7%

JSON

Releases

  • Ubuntu 14.04 ESM

Packages

  • isc-dhcp - DHCP server and client

Details

USN-5658-1 fixed several vulnerabilities in DHCP. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that DHCP incorrectly handled option reference counting.
A remote attacker could possibly use this issue to cause DHCP servers to
crash, resulting in a denial of service. (CVE-2022-2928)

It was discovered that DHCP incorrectly handled certain memory operations.
A remote attacker could possibly use this issue to cause DHCP clients and
servers to consume resources, leading to a denial of service.
(CVE-2022-2929)

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchisc-dhcp-client< 4.2.4-7ubuntu12.13+esm2UNKNOWN
Ubuntu14.04noarchisc-dhcp-client< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-client-dbg< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-client-dbgsym< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-client-noddns< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-client-udeb< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-client-udeb-dbgsym< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-common< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-common-dbgsym< 4.2.4-7ubuntu12.13UNKNOWN
Ubuntu14.04noarchisc-dhcp-dev< 4.2.4-7ubuntu12.13UNKNOWN
Rows per page:
1-10 of 191

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USN-5658-1: DHCP vulnerabilities | Cloud Foundry
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(RHSA-2023:3000) Moderate: dhcp security and bug fix update
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2023-10-31 14:38:51
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2022-12-30 18:03:13

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.7%

JSON
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