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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:130344
[Rus]
Version
3
Class
vulnerability
ALTXid
322714
Language
English
Severity
High
Title
Astra Linux -- Vulnerability in bind9 (CVE-2019-6477)
Description
The vulnerability was found in bind9.
Family
unix
Platform
Astra Linux SE 1.6
Product
bind9
Reference
CVE: CVE-2019-6477
CVE: CVE-2019-6477
Id:
CVE-2019-6477
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6477
Comment
: With pipelining enabled each incoming query on a TCP connection requires a similar resource allocation to a query received via UDP or via TCP without pipelining enabled. A client using a TCP-pipelined connection to a server could consume more resources than the server has been provisioned to handle. When a TCP connection with a large number of pipelined queries is closed, the load on the server releasing these multiple resources can cause it to become unresponsive, even for queries that can be answered authoritatively or from cache. (This is most likely to be perceived as an intermittent server problem).
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
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
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References:
https://kb.isc.org/docs/cve-2019-6477 (CONFIRM)
https://www.synology.com/security/advisory/Synology_SA_19_39 (CONFIRM)
DSA-4689 (DEBIAN)
openSUSE-SU-2020:1699 (SUSE)
openSUSE-SU-2020:1701 (SUSE)
FEDORA-2019-73a8737068 ()
https://support.f5.com/csp/article/K15840535?utm_source=f5support&%3Butm_medium=RSS ()
FEDORA-2019-c703d2304a ()
VENDOR: 20200327SE16
VENDOR: 20200327SE16
Id:
20200327SE16
Reference:
https://wiki.astralinux.ru/pages/viewpage.action?pageId=71829652
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