CVE-2014-2957

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.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.18% Top 20%
Vendor Advisory exim.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.exim.org/lurker/message/20140528.122536.a31d60a4.en.html patch vendor advisory mailing list
http://git.exim.org/exim.git/commitdiff/5b7a7c051c9ab9ee7c924a611f90ef2be03e0ad0
http://www.openwall.com/lists/oss-security/2021/05/04/7 mailing list

Frequently Asked Questions

What is the severity of CVE-2014-2957?
CVE-2014-2957 has been scored as a medium severity vulnerability.
How to fix CVE-2014-2957?
To fix CVE-2014-2957, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-2957 being actively exploited in the wild?
It is possible that CVE-2014-2957 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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