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Vulnerability Details : CVE-2014-6051

Integer 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.
Publish Date : 2014-09-30 Last Update Date : 2020-10-23
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 189

- Related OVAL Definitions

Title Definition Id Class Family
DSA-3081-1 -- libvncserver security update oval:org.mitre.oval:def:28422 unix
ELSA-2014-1826 -- libvncserver security update (moderate) oval:org.mitre.oval:def:28316 unix
RHSA-2014:1826 -- libvncserver security update (Moderate) oval:org.mitre.oval:def:28208 unix
RHSA-2014:1826: libvncserver security update (Moderate) oval:com.redhat.rhsa:def:20141826 unix
USN-2365-1 -- libvncserver vulnerabilities oval:org.mitre.oval:def:27178 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2014-6051

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 20 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 21 * * * Version Details Vulnerabilities
4 Application Libvncserver Libvncserver * * * * Version Details Vulnerabilities
5 OS Oracle Solaris 11.3 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Server Aus 6.5 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Server Eus 6.5.z * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 2
Libvncserver Libvncserver 1
Oracle Solaris 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1

- References For CVE-2014-6051 CONFIRM
SUSE openSUSE-SU-2015:2207
BID 70093 libVNCserver CVE-2014-6051 Integer Overflow Vulnerability Release Date:2015-07-08
FEDORA FEDORA-2014-11685
GENTOO GLSA-201507-07
FEDORA FEDORA-2014-11537
MLIST [oss-security] 20140923 Multiple issues in libVNCserver
MLIST [oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues
GENTOO GLSA-201612-36
MLIST [debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update

- Metasploit Modules Related To CVE-2014-6051

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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