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ubuntuUbuntuUSN-5175-1
HistoryDec 06, 2021 - 12:00 a.m.

NTP vulnerability

2021-12-0600:00:00
ubuntu.com
91

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.4%

JSON

Releases

  • Ubuntu 20.04 LTS

Packages

  • ntp - Network Time Protocol daemon and utility programs

Details

It was discovered that ntpd incorrectly handled memory when CMAC keys
were used. A remote attacker could possibly use this issue to cause ntpd to
crash resulting in a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchntp< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1UNKNOWN
Ubuntu20.04noarchntp< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN
Ubuntu20.04noarchntp-dbgsym< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN
Ubuntu20.04noarchntp-doc< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN
Ubuntu20.04noarchntpdate< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN
Ubuntu20.04noarchntpdate-dbgsym< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN
Ubuntu20.04noarchsntp< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN
Ubuntu20.04noarchsntp-dbgsym< 1:4.2.8p12+dfsg-3ubuntu4.20.04.1UNKNOWN

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Oracle Critical Patch Update Advisory - January 2021
2021-01-19 00:00:00

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.4%

JSON
Related for USN-5175-1
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