PT-2017-17785 · Openvpn+3 · Openvpn+3

Guido Vranken · Publicado 2017-06-21 · Atualizado 2024-06-15 · CVE-2017-7521

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Média

Vetor base

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions OpenVPN versions prior to 2.4.3 OpenVPN versions prior to 2.3.17

Description The issue is related to remote denial-of-service due to memory exhaustion. This is caused by memory leaks and a double-free issue in the extract x509 extension() function.

Recommendations For versions prior to 2.4.3, update to version 2.4.3 or later. For versions prior to 2.3.17, update to version 2.3.17 or later.

Correção

DoS

Missing Release of Resource after Effective Lifetime

Double Free

Resource Exhaustion

Enumeração de Fraquezas

CWE-772

CWE-415

CWE-400

Identificadores relacionados

ALT-PU-2017-1766

CVE-2017-7521

DSA-3900-1

MGASA-2017-0224

OPENSUSE-SU-2017_1680-1

OPENSUSE-SU-2024:11128-1

SUSE-SU-2017:1635-1

SUSE-SU-2017:1718-1

USN-3339-1

Produtos afetados

Alt Linux

Openvpn

Suse

Ubuntu

Referências · 66

• http://debian.org/security/2017/dsa-3900 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2018-00021 · Nota de Segurança
• https://suse.com/security/cve/CVE-2020-15078 · Nota
• https://ubuntu.com/security/notices/USN-3339-1 · Aviso do Fabricante
• https://lists.opensuse.org/archives/list/[e-mail]/thread/FZLFFJ6O427MDRXURCEKS34GGKY77EBR · Nota
• https://packages.altlinux.org/ru/vuln/CVE-2017-7521 · Nota
• https://suse.com/security/cve/CVE-2017-7521 · Nota
• https://suse.com/security/cve/CVE-2020-11810 · Nota
• https://ubuntu.com/security/CVE-2017-7521 · Aviso do Fabricante
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7521 · Nota de Segurança
• https://cve.org/CVERecord?id=CVE-2017-7521 · Nota de Segurança
• https://packages.debian.org/src:openvpn · Nota
• http://securityfocus.com/bid/99230 · Nota
• https://suse.com/security/cve/CVE-2017-12166 · Nota
• https://suse.com/security/cve/CVE-2017-7521.html · Nota