CVE-2012-5671

Severity Score

6.8

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Desbordamiento de búfer basado en memoria dinámica en la función dkim_exim_query_dns_txt en dkim.c en Exim v4.70 hasta v4.80, cuando el soporte DKIM está habilitado y acl_smtp_connect y acl_smtp_rcpt no están establecidos en "warn control = dkim_disable_verify", permite a atacantes remotos ejecutar código arbitrario a través de un correo electrónico de un servidor DNS malicioso.

*Credits: N/A

CVSS Scores

NISTv2 6.8

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2012-10-24 CVE Reserved
2012-10-26 CVE Published
2024-08-06 CVE Updated
2024-09-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (15)

URL	Tag	Source
http://osvdb.org/86616	Vdb Entry
http://secunia.com/advisories/51115	Third Party Advisory
http://secunia.com/advisories/51153	Third Party Advisory
http://secunia.com/advisories/51155	Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/10/26/5	Mailing List
http://www.securityfocus.com/bid/56285	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/79615	Vdb Entry
https://lists.exim.org/lurker/message/20121026.080330.74b9147b.en.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091664.html	2017-08-29
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090900.html	2017-08-29
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090963.html	2017-08-29
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00018.html	2017-08-29
http://secunia.com/advisories/51098	2017-08-29
http://www.debian.org/security/2012/dsa-2566	2017-08-29
http://www.ubuntu.com/usn/USN-1618-1	2017-08-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.70 Search vendor "Exim" for product "Exim" and version "4.70"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.71 Search vendor "Exim" for product "Exim" and version "4.71"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.72 Search vendor "Exim" for product "Exim" and version "4.72"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.73 Search vendor "Exim" for product "Exim" and version "4.73"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.74 Search vendor "Exim" for product "Exim" and version "4.74"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.75 Search vendor "Exim" for product "Exim" and version "4.75"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.76 Search vendor "Exim" for product "Exim" and version "4.76"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.77 Search vendor "Exim" for product "Exim" and version "4.77"		-		Affected
Exim Search vendor "Exim"		Exim Search vendor "Exim" for product "Exim"				4.80 Search vendor "Exim" for product "Exim" and version "4.80"		-		Affected