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Vulnerability Details : CVE-2015-3294

The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Publish Date : 2015-05-08 Last Update Date : 2018-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
6.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
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 Service
CWE ID 19

- Related OVAL Definitions

Title Definition Id Class Family
SUSE-SU-2015:0979-1 -- Security update for dnsmasq (moderate) oval:org.mitre.oval:def:29242 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-2015-3294

# Product Type Vendor Product Version Update Edition Language
1 OS Oracle Solaris 11.2 Version Details Vulnerabilities
2 Application Thekelleys Dnsmasq 2.73 RC3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Oracle Solaris 1
Thekelleys Dnsmasq 1

- References For CVE-2015-3294

http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
SUSE openSUSE-SU-2015:0857
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html
MLIST [Dnsmasq-discuss] 20150407 dnsmsaq potential vulnerability
http://www.ubuntu.com/usn/USN-2593-1
UBUNTU USN-2593-1
https://security.gentoo.org/glsa/201512-01
GENTOO GLSA-201512-01
http://www.securityfocus.com/bid/74452
BID 74452 Dnsmasq CVE-2015-3294 Remote Denial of Service Vulnerability Release Date:2016-01-04
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 CONFIRM
http://www.securityfocus.com/archive/1/535354/100/1100/threaded
BUGTRAQ 20150423 Dnsmasq 2.72 Unchecked returned value
http://www.securitytracker.com/id/1032195
SECTRACK 1032195
http://www.debian.org/security/2015/dsa-3251
DEBIAN DSA-3251
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html CONFIRM
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
MLIST [Dnsmasq-discuss] 20150407 dnsmsaq potential vulnerability

- Metasploit Modules Related To CVE-2015-3294

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


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