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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
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 ↗