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  Exim DKIM Heap Buffer Overflow

Category: DNS      

Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to "warn control = dkim_disable_verify," allows remote attackers to execute arbitrary code via an email from a malicious DNS server.

References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5671


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