Heap-based buffer overflow in the php_parserr function in ext/standard/dns.c in PHP 5.6.0beta4 and earlier allows remote servers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS TXT record, related to the dns_get_record function.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-4049
• php/php-src@b34d784
• https://bugzilla.redhat.com/show_bug.cgi?id=1108447
• https://support.apple.com/HT204659
• http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
• http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00001.html
• http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00002.html
• http://lists.opensuse.org/opensuse-updates/2014-06/msg00051.html
• http://lists.opensuse.org/opensuse-updates/2014-07/msg00032.html
• http://marc.info/?l=bugtraq&m=141017844705317&w=2
• http://rhn.redhat.com/errata/RHSA-2014-1765.html
• http://rhn.redhat.com/errata/RHSA-2014-1766.html
• http://secunia.com/advisories/59270
• http://secunia.com/advisories/59329
• http://secunia.com/advisories/59418
• http://secunia.com/advisories/59496
• http://secunia.com/advisories/59513
• http://secunia.com/advisories/59652
• http://secunia.com/advisories/60998
• http://support.apple.com/kb/HT6443
• http://www-01.ibm.com/support/docview.wss?uid=swg21683486
• http://www.debian.org/security/2014/dsa-2961
• http://www.openwall.com/lists/oss-security/2014/06/13/4
• http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
• http://www.securityfocus.com/bid/68007
• http://www.securitytracker.com/id/1030435