National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-3294 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html Exploit
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html Third Party Advisory
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 Patch
http://www.debian.org/security/2015/dsa-3251 Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html Third Party Advisory
http://www.securityfocus.com/archive/1/535354/100/1100/threaded
http://www.securityfocus.com/bid/74452
http://www.securitytracker.com/id/1032195
http://www.ubuntu.com/usn/USN-2593-1 Vendor Advisory
https://security.gentoo.org/glsa/201512-01

Technical Details

Vulnerability Type (View All)

  • Data Processing Errors (CWE-19)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:thekelleys:dnsmasq:*:rc3:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.73

Configuration 2 ( hide )
 cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-3294
NVD Published Date:
05/08/2015
NVD Last Modified:
10/09/2018