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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:178272
[Rus]
Version
1
Class
patch
ALTXid
391199
Language
English
Severity
Critical
Title
DLA-2992-1 -- openvpn security update
Description
Several issues were discovered in OpenVPN, a Virtual Private Network server and client, that could lead to authentication bypass when using deferred auth plugins.
Family
unix
Platform
Debian 9
Product
openvpn
Reference
VENDOR: DLA-2992-1
VENDOR: DLA-2992-1
Id:
DLA-2992-1
Reference:
https://lists.debian.org/debian-lts-announce/2022/debian-lts-announce-202205/msg00002.html
CVE: CVE-2017-12166
CVE: CVE-2017-12166
Id:
CVE-2017-12166
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12166
Comment
: OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166 (MISC)
1039470 (SECTRACK)
101153 (BID)
[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update (MLIST)
CVE: CVE-2020-11810
CVE: CVE-2020-11810
Id:
CVE-2020-11810
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11810
Comment
: An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 (P_DATA_V2) packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be dropped. This requires careful timing due to the small time window (usually within a few seconds) between the victim client connection starting and the server PUSH_REPLY response back to the client. This attack will only work if Negotiable Cipher Parameters (NCP) is in use.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSSv3 Score:
3.7
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://community.openvpn.net/openvpn/ticket/1272 (CONFIRM)
https://security-tracker.debian.org/tracker/CVE-2020-11810 (MISC)
https://patchwork.openvpn.net/patch/1079/ (CONFIRM)
https://bugzilla.suse.com/show_bug.cgi?id=1169925 (CONFIRM)
https://github.com/OpenVPN/openvpn/commit/37bc691e7d26ea4eb61a8a434ebd7a9ae76225ab (CONFIRM)
[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update (MLIST)
FEDORA-2020-c1cb4ebcd9 ()
FEDORA-2020-969414e05b ()
CVE: CVE-2020-15078
CVE: CVE-2020-15078
Id:
CVE-2020-15078
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15078
Comment
: OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
306 (Missing Authentication for Critical Function)
References:
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements (MISC)
https://community.openvpn.net/openvpn/wiki/CVE-2020-15078 (MISC)
GLSA-202105-25 (GENTOO)
https://usn.ubuntu.com/usn/usn-4933-1 (UBUNTU)
[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update (MLIST)
FEDORA-2021-242ef81244 ()
FEDORA-2021-b805c26afa ()
FEDORA-2021-d6b9d8497b ()
CVE: CVE-2022-0547
CVE: CVE-2022-0547
Id:
CVE-2022-0547
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0547
Comment
: OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
287 (Improper Authentication)
References:
https://openvpn.net/community-downloads/ (MISC)
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements (MISC)
https://community.openvpn.net/openvpn/wiki/CVE-2022-0547 (MISC)
[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update (MLIST)
FEDORA-2022-7d46acce7c ()
FEDORA-2022-cb4c1146dc ()
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