CVE-2012-5671

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 (30)

• cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html
• cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html
• cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html
• cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html
• cve@mitrehttp://osvdb.org/86616
• cve@mitrehttp://secunia.com/advisories/51098
• cve@mitrehttp://secunia.com/advisories/51115
• cve@mitrehttp://secunia.com/advisories/51153
• cve@mitrehttp://secunia.com/advisories/51155
• cve@mitrehttp://www.debian.org/security/2012/dsa-2566
• cve@mitrehttp://www.openwall.com/lists/oss-security/2012/10/26/5
• cve@mitrehttp://www.securityfocus.com/bid/56285
• cve@mitrehttp://www.ubuntu.com/usn/USN-1618-1
• cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/79615
• cve@mitrehttps://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html