5 Medium
CVSS2
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
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
0.008 Low
EPSS
Percentile
81.2%
Severity: Medium
Date : 2020-11-19
CVE-ID : CVE-2020-8277
Package : c-ares
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-1280
The package c-ares before version 1.17.1-1 is vulnerable to denial of
service.
Upgrade to 1.17.1-1.
The problem has been fixed upstream in version 1.17.1.
None.
An application that allows an attacker to trigger a DNS request for a
host of their choice could trigger a Denial of Service by getting the
application to resolve a DNS record with a large number of responses.
A remote malicious attacker might be able to crash the application with
a crafted DNS response.
https://github.com/c-ares/c-ares/issues/371
https://github.com/c-ares/c-ares/commit/0d252eb3b2147179296a3bdb4ef97883c97c54d3
https://security.archlinux.org/CVE-2020-8277
5 Medium
CVSS2
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
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
0.008 Low
EPSS
Percentile
81.2%