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Vulnerability Details : CVE-2014-6055

Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long file or (2) directory name or the (3) FileTime attribute in a rfbFileTransferOffer message.
Publish Date : 2014-09-30 Last Update Date : 2017-09-07
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- CVSS Scores & Vulnerability Types

CVSS Score
6.5
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 Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 119

- 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
ELSA-2014-1827 -- kdenetwork security update (moderate) oval:org.mitre.oval:def:28219 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
RHSA-2014:1827 -- kdenetwork security update (Moderate) oval:org.mitre.oval:def:28039 unix
RHSA-2014:1827: kdenetwork security update (Moderate) oval:com.redhat.rhsa:def:20141827 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-2014-6055

# 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 0.9.9 Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Server Aus 6.5 Version Details Vulnerabilities
6 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
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1

- References For CVE-2014-6055

http://www.openwall.com/lists/oss-security/2014/09/25/11
MLIST [oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues
http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
FEDORA FEDORA-2014-11537
http://www.securityfocus.com/bid/70096
BID 70096 LibVNCServer CVE-2014-6055 Multiple Stack Based Buffer Overflow Vulnerabilities Release Date:2015-07-08
https://exchange.xforce.ibmcloud.com/vulnerabilities/96187
XF libvncserver-cve20146055-bo(96187)
https://github.com/newsoft/libvncserver/commit/06ccdf016154fde8eccb5355613ba04c59127b2e CONFIRM
https://github.com/newsoft/libvncserver/commit/f528072216dec01cee7ca35d94e171a3b909e677 CONFIRM
https://www.kde.org/info/security/advisory-20140923-1.txt CONFIRM
http://seclists.org/oss-sec/2014/q3/639
MLIST [oss-security] 20140923 Multiple issues in libVNCserver
http://www.debian.org/security/2014/dsa-3081
DEBIAN DSA-3081
http://www.ocert.org/advisories/ocert-2014-007.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
SUSE openSUSE-SU-2015:2207
http://rhn.redhat.com/errata/RHSA-2015-0113.html
REDHAT RHSA-2015:0113
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
FEDORA FEDORA-2014-11685
https://security.gentoo.org/glsa/201507-07
GENTOO GLSA-201507-07

- Metasploit Modules Related To CVE-2014-6055

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


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