Heap-based Buffer Overflow in Exim DKIM Support

CVE-2012-5671 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

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.

Learn more about our Cis Benchmark Audit For Server Software.