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mageiaGentoo FoundationMGASA-2017-0458
HistoryDec 21, 2017 - 8:43 p.m.

Updated dhcp packages fix security vulnerability

2017-12-2120:43:29
Gentoo Foundation
advisories.mageia.org
18

CVSS2

5

Attack Vector

NETWORK

Attack 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

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

EPSS

0.144

Percentile

95.8%

It was found that the DHCP daemon does not free socket descriptors when handling empty OMAPI messages. An adjacent network attacker could potentially use this flaw to send crafted OMAPI messages to the DHCP daemon, thereby leading to denial of service due to exhaustion of file descriptors in the DHCP daemon process.

OSVersionArchitecturePackageVersionFilename
Mageia5noarchdhcp< 4.3.3P1-1.1dhcp-4.3.3P1-1.1.mga5
Mageia6noarchdhcp< 4.3.5-1.1dhcp-4.3.5-1.1.mga6

CVSS2

5

Attack Vector

NETWORK

Attack 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

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

EPSS

0.144

Percentile

95.8%