CVE-2019-12420

Description

In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 13.68% Top 10%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory apache.org
Affected: Apache Apache SpamAssassin
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/64cf76749956dd08f7d5b86ec9f3321f382cfd7fe717ccd1be940c92%40%3Cannounce.spamassassin.apache.org%3E mailing list
https://lists.apache.org/thread.html/e3c2367351286b77a74a082e2b66b793cceefa7b6ea9dcd162db4c4b%40%3Cdev.spamassassin.apache.org%3E mailing list
https://lists.apache.org/thread.html/5ef362d6da12126fafc81443309ca95d872d1bfd011fe4b2699f0fe9%40%3Cusers.spamassassin.apache.org%3E mailing list
http://www.openwall.com/lists/oss-security/2019/12/12/2 third party advisory mailing list
https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de%40%3Cannounce.apache.org%3E mailing list
https://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt mailing list vendor advisory
https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7747 permissions required
https://www.debian.org/security/2019/dsa-4584 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Dec/27 third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2019/12/msg00019.html third party advisory mailing list
https://usn.ubuntu.com/4237-1/ vendor advisory
https://usn.ubuntu.com/4237-2/ vendor advisory
https://lists.apache.org/thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74%40%3Cusers.spamassassin.apache.org%3E mailing list
https://lists.apache.org/thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f%40%3Cusers.spamassassin.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2019-12420?
CVE-2019-12420 has been scored as a high severity vulnerability.
How to fix CVE-2019-12420?
To fix CVE-2019-12420, 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-2019-12420 being actively exploited in the wild?
It is possible that CVE-2019-12420 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~14% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-12420?
CVE-2019-12420 affects Apache Apache SpamAssassin.
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