The tcp_request function in Dnsmasq before 2.73rc4 does not properly...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.debian.org/security/2015/dsa-3251
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.ubuntu.com/usn/USN-2593-1
- https://security.gentoo.org/glsa/201512-01
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html
- http://www.securitytracker.com/id/1032195
- http://www.securityfocus.com/bid/74452
- http://www.securityfocus.com/archive/1/535354/100/1100/threaded
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.