Description
The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.
Metrics
CVSS 2.0 6.8/10
AV:N/AC:M/Au:N/C:P/I:P/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.exim.org/exim.git/commitdiff/5b7a7c051c9ab9ee7c924a611f90ef2be03e0ad0
- http://www.openwall.com/lists/oss-security/2021/05/04/7
- https://lists.exim.org/lurker/message/20140528.122536.a31d60a4.en.htmlPatch, Vendor Advisory
- http://git.exim.org/exim.git/commitdiff/5b7a7c051c9ab9ee7c924a611f90ef2be03e0ad0
- http://www.openwall.com/lists/oss-security/2021/05/04/7
- https://lists.exim.org/lurker/message/20140528.122536.a31d60a4.en.htmlPatch, Vendor Advisory
Timeline
- Published
- Sep 4, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified