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ubuntucveUbuntu.comUB:CVE-2020-8277
HistoryNov 17, 2020 - 12:00 a.m.

CVE-2020-8277

2020-11-1700:00:00
ubuntu.com
ubuntu.com
14

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.008 Low

EPSS

Percentile

80.9%

JSON

A Node.js application that allows an attacker to trigger a DNS request for
a host of their choice could trigger a Denial of Service in versions <
15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a
DNS record with a larger number of responses. This is fixed in 15.2.1,
14.15.1, and 12.19.1.

Notes

Author Note
sbeattie possibly introduced in 7d3591ee8a1a63e7748e68e6d880bd1763a32885
leosilva introduced in 1.16
OSVersionArchitecturePackageVersionFilename
ubuntu20.10noarchc-ares< 1.16.1-1ubuntu0.1UNKNOWN

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7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.008 Low

EPSS

Percentile

80.9%

JSON
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