drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in TigerVNC
Name: |
Pufferüberlauf in TigerVNC |
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ID: |
201702-19 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Di, 21. Februar 2017, 07:28 |
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Referenzen: |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5581 |
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Applikationen: |
TigerVNC |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Da5HMb2SD97UfrfE6LGVE7OCNAuwjMQ9k Content-Type: multipart/mixed; boundary="d9TGoJEO4X1liA5EJxQxqM1gjInuR8SG2"; protected-headers="v1" From: Thomas Deutschmann <whissi@gentoo.org> Reply-To: security@gentoo.org To: gentoo-announce@lists.gentoo.org Message-ID: <6651d1bd-6d9d-2df8-a4cf-93e9a084e27a@gentoo.org> Subject: [ GLSA 201702-19 ] TigerVNC: Buffer overflow
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201702-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: TigerVNC: Buffer overflow Date: February 20, 2017 Bugs: #606998 ID: 201702-19
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Synopsis ========
A buffer overflow in TigerVNC might allow remote attackers to execute arbitrary code.
Background ==========
TigerVNC is a high-performance VNC server/client.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/tigervnc < 1.7.1 >= 1.7.1
Description ===========
A buffer overflow vulnerability in ModifiablePixelBuffer::fillRect in vncviewer was found.
Impact ======
A remote attacker, utilizing a malicious VNC server, could execute arbitrary code with the privileges of the user running the client or cause a Denial of Service condition.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All TigerVNC users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/tigervnc-1.7.1"
References ==========
[ 1 ] CVE-2017-5581 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5581
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/201702-19
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 2017 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.
http://creativecommons.org/licenses/by-sa/2.5
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