All errata/c8/ALT-PU-2017-2344-1
ALT-PU-2017-2344-1

Package update openvpn in branch c8

Version2.4.3-alt0.M80C.1
Task#189205
Published2017-09-28
Max severityHIGH
Severity:

Closed issues (9)

BDU:2018-00021
HIGH7.4

Уязвимость пакета OpenVPN, существующая из-за неправильной обработки клиентских подключений к HTTP-прокси, позволяющая нарушителю выполнить произвольный код

Published: 2018-01-12Modified: 2021-03-23
CVSS 3.xHIGH 7.4
CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0MEDIUM 4.0
CVSS:2.0/AV:N/AC:H/Au:N/C:P/I:N/A:P
References
BDU:2019-04216
MEDIUM5.9

Уязвимость программного обеспечения OpenVPN, связанная с проблемами использования шифрования с 64-битным блоком, позволяющая нарушителю восстановить исходное сообщение

Published: 2019-11-25
CVSS 3.xMEDIUM 5.9
CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0HIGH 7.1
CVSS:2.0/AV:N/AC:M/Au:N/C:C/I:N/A:N
References
CVE-2016-6329
MEDIUM5.9

OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a "Sweet32" attack.

Published: 2017-01-31Modified: 2025-04-20
CVSS 2.0MEDIUM 4.3
CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS 3.xMEDIUM 5.9
CVSS:3.x/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References
CVE-2017-7478
HIGH7.5

OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.

Published: 2017-05-15Modified: 2025-04-20
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2017-7479
MEDIUM6.5

OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.

Published: 2017-05-15Modified: 2025-04-20
CVSS 2.0MEDIUM 4.0
CVSS:2.0/AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
CVE-2017-7508
HIGH7.5

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet.

Published: 2017-06-27Modified: 2025-04-20
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2017-7520
HIGH7.4

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.

Published: 2017-06-27Modified: 2025-04-20
CVSS 2.0MEDIUM 4.0
CVSS:2.0/AV:N/AC:H/Au:N/C:P/I:N/A:P
CVSS 3.xHIGH 7.4
CVSS:3.x/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
References
CVE-2017-7521
MEDIUM5.9

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().

Published: 2017-06-27Modified: 2025-04-20
CVSS 2.0MEDIUM 4.3
CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 5.9
CVSS:3.x/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2017-7522
MEDIUM6.5

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.

Published: 2017-06-27Modified: 2025-04-20
CVSS 2.0MEDIUM 4.0
CVSS:2.0/AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References

Closed bugs (1)

Bug #32840

Проблема openvpn 2.3.12 при подключении через static key