CVE-2012-5671

Published: Oct 31, 2012Modified: Apr 29, 2026

6.8

Vector

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

Exploitability: 8.6 / Impact: 6.4

Source: NVD

Description

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.

Affected (9)

Products: Exim: Exim

1 product

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Exim Exim	Version 4.70
Exim Exim	Version 4.71
Exim Exim	Version 4.72
Exim Exim	Version 4.73
Exim Exim	Version 4.74
Exim Exim	Version 4.75
Exim Exim	Version 4.76
Exim Exim	Version 4.77
Exim Exim	Version 4.80

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (30)

http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html

Source: cve@mitre.org

http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html

Source: cve@mitre.org

http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html

Source: cve@mitre.org

http://osvdb.org/86616

Source: cve@mitre.org

http://secunia.com/advisories/51098

Source: cve@mitre.org

Vendor Advisory

http://secunia.com/advisories/51115

Source: cve@mitre.org

http://secunia.com/advisories/51153

Source: cve@mitre.org

http://secunia.com/advisories/51155

Source: cve@mitre.org

http://www.debian.org/security/2012/dsa-2566

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2012/10/26/5

Source: cve@mitre.org

http://www.securityfocus.com/bid/56285

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-1618-1

Source: cve@mitre.org

https://exchange.xforce.ibmcloud.com/vulnerabilities/79615

Source: cve@mitre.org

https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html

Source: cve@mitre.org

http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://osvdb.org/86616

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/51098

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

http://secunia.com/advisories/51115

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/51153

Source: af854a3a-2127-422b-91ae-364da2661108

http://secunia.com/advisories/51155

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.debian.org/security/2012/dsa-2566

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2012/10/26/5

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/56285

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.ubuntu.com/usn/USN-1618-1

Source: af854a3a-2127-422b-91ae-364da2661108

https://exchange.xforce.ibmcloud.com/vulnerabilities/79615

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.