drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Rechteprüfung in OpenVPN
Name: |
Mangelnde Rechteprüfung in OpenVPN |
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ID: |
202105-25 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Mi, 26. Mai 2021, 23:03 |
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Referenzen: |
https://nvd.nist.gov/vuln/detail/CVE-2020-15078 |
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Applikationen: |
OpenVPN |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --omCmYwnZV3tdbHO8RntxR5zfVQ2trf7ZZ Content-Type: multipart/mixed; boundary="fbGZ4sZujpzJSF9mSpit3u2L2yYt0KrJk"; protected-headers="v1" From: Thomas Deutschmann <whissi@gentoo.org> Reply-To: security@gentoo.org To: gentoo-announce@lists.gentoo.org Message-ID: <403b94c6-2c7c-686e-6b1a-1b270f67b051@gentoo.org> Subject: [ GLSA 202105-25 ] OpenVPN: Authentication bypass
--fbGZ4sZujpzJSF9mSpit3u2L2yYt0KrJk Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-U Content-Transfer-Encoding: quoted-printable
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202105-25 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: OpenVPN: Authentication bypass Date: May 26, 2021 Bugs: #785115 ID: 202105-25
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Synopsis ========
A vulnerability has been found in OpenVPN, allowing attackers to bypass the authentication process.
Background ==========
OpenVPN is a multi-platform, full-featured SSL VPN solution.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-vpn/openvpn < 2.5.2 >= 2.5.2
Description ===========
It was discovered that OpenVPN incorrectly handled deferred authentication.
Impact ======
A remote attacker could bypass authentication and access control channel data and trigger further information leaks.
Workaround ==========
Configure OpenVPN server to not use deferred authentication.
Resolution ==========
All OpenVPN users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-vpn/openvpn-2.5.2"
References ==========
[ 1 ] CVE-2020-15078 https://nvd.nist.gov/vuln/detail/CVE-2020-15078
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202105-25
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License =======
Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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