CVE-2012-5671: Buffer Overflow
First published: Wed Oct 31 2012(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Exim Exim | =4.70 | |
| Exim Exim | =4.71 | |
| Exim Exim | =4.72 | |
| Exim Exim | =4.73 | |
| Exim Exim | =4.74 | |
| Exim Exim | =4.75 | |
| Exim Exim | =4.76 | |
| Exim Exim | =4.77 | |
| Exim Exim | =4.80 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html
- http://osvdb.org/86616
- http://secunia.com/advisories/51098
- http://secunia.com/advisories/51115
- http://secunia.com/advisories/51153
- http://secunia.com/advisories/51155
- http://www.debian.org/security/2012/dsa-2566
- http://www.openwall.com/lists/oss-security/2012/10/26/5
- http://www.securityfocus.com/bid/56285
- http://www.ubuntu.com/usn/USN-1618-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79615
- https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html
- collector/nvd-index
- agent/description
- agent/type
- agent/tags
- agent/references
- agent/last-modified-date
- agent/severity
- agent/first-publish-date
- agent/author
- agent/weakness
- agent/softwarecombine
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/exim
- canonical/exim exim
- version/exim exim/4.70
- version/exim exim/4.71
- version/exim exim/4.72
- version/exim exim/4.73
- version/exim exim/4.74
- version/exim exim/4.75
- version/exim exim/4.76
- version/exim exim/4.77
- version/exim exim/4.80