CVE-2014-6051

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Summary

CVECVE-2014-6051
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-09-30 16:55:07 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionInteger overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement for a large screen size, which triggers a heap-based buffer overflow.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Operating System Fedoraproject Fedora 20 All All All
Operating System Fedoraproject Fedora 21 All All All
Application Libvncserver Libvncserver All All All All
Operating System Oracle Solaris 11.3 All All All
Operating System Redhat Enterprise Linux Server Aus 6.5 All All All
Operating System Redhat Enterprise Linux Server Eus 6.5.z All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Fix integer overflow in MallocFrameBuffer() · newsoft/libvncserver@045a044 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
Debian -- Security Information -- DSA-3081-1 libvncserver af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-sec: Multiple issues in libVNCserver af854a3a-2127-422b-91ae-364da2661108 seclists.org Third Party Advisory
TigerVNC: Integer overflow (GLSA 201612-36) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
[SECURITY] Fedora 20 Update: libvncserver-0.9.10-0.6.20140718git9453be42.fc20 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
[SECURITY] Fedora 21 Update: libvncserver-0.9.10-0.6.20140718git9453be42.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
oss-security - [oCERT-2014-007] libvncserver multiple issues af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Third Party Advisory
Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Oracle Solaris Third Party Bulletin - October 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
openSUSE-SU-2015:2207-1: moderate: Security update for LibVNCServer af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[SECURITY] [DLA 1979-1] italc security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
oCERT.org - oCERT Advisories af854a3a-2127-422b-91ae-364da2661108 www.ocert.org Patch, Third Party Advisory, US Government Resource
www.kde.org/info/security/advisory-20140923-1.txt af854a3a-2127-422b-91ae-364da2661108 www.kde.org Third Party Advisory
Security Advisory SA61506 - LibVNCServer Multiple Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Permissions Required, Third Party Advisory
libVNCserver CVE-2014-6051 Integer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
USN-4587-1: iTALC vulnerabilities | Ubuntu security notices | Ubuntu af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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