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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:149008
[Rus]
Version
3
Class
patch
ALTXid
350589
Language
English
Severity
Medium
Title
openSUSE-SU-2021:0274-1 -- Security update for nextcloud
Description
This update for nextcloud fixes the following issues:
- nextcloud was upgraded to version 20.0.7
- CVE-2020-8294: Fixed a missing link validation (boo#1181803)
- CVE-2020-8295: Fixed a denial of service attack (boo#1181804)
- CVE-2020-8293: Fixed an input validation issue (boo#1181445)
This update was imported from the openSUSE:Leap:15.2:Update update project.
Family
unix
Platform
SUSE Package Hub 15
Product
nextcloud
Reference
VENDOR: openSUSE-SU-2021:0274-1
VENDOR: openSUSE-SU-2021:0274-1
Id:
openSUSE-SU-2021:0274-1
Reference:
https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/IKPTLKOGRYW4NVA4XTNRDXSK534SPTR2/
CVE: CVE-2020-8293
CVE: CVE-2020-8293
Id:
CVE-2020-8293
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8293
Comment
: A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.
CVSSv2 Score:
4
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References:
https://hackerone.com/reports/1018146 (MISC)
https://nextcloud.com/security/advisory/?id=NC-SA-2021-001 (MISC)
CVE: CVE-2020-8294
CVE: CVE-2020-8294
Id:
CVE-2020-8294
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8294
Comment
: A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.
CVSSv2 Score:
3.5
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
SINGLE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSSv3 Score:
5.4
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
REQUIRED
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE:
79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))
References:
https://hackerone.com/reports/1023787 (CONFIRM)
https://nextcloud.com/security/advisory/?id=NC-SA-2021-002 (CONFIRM)
CVE: CVE-2020-8295
CVE: CVE-2020-8295
Id:
CVE-2020-8295
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8295
Comment
: A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.
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://hackerone.com/reports/812754 (MISC)
https://nextcloud.com/security/advisory/?id=NC-SA-2021-003 (MISC)
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