CVE-2012-5671

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.

Risk Information

Base Score

9.8

MODERATE

Vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

35.729

Associated Vulnerability

Vulnerability	OS Platform
exim4 security update(DSA-3517-1) exim4_4.87-3_all.deb	Linux
exim4 security update(DSA-3517-1) exim4_4.80-7+deb7u3_all.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234