CVE-2019-12420 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.openwall.com/lists/oss-security/2019/12/12/2 https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7747 https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de@3Cannounce.apache.org3E https://lists.apache.org/thread.html/5ef362d6da12126fafc81443309ca95d872d1bfd011fe4b2699f0fe9@3Cusers.spamassassin.apache.org3E https://lists.apache.org/thread.html/64cf76749956dd08f7d5b86ec9f3321f382cfd7fe717ccd1be940c92@3Cannounce.spamassassin.apache.org3E https://lists.apache.org/thread.html/e3c2367351286b77a74a082e2b66b793cceefa7b6ea9dcd162db4c4b@3Cdev.spamassassin.apache.org3E https://lists.apache.org/thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74@3Cusers.spamassassin.apache.org3E https://lists.apache.org/thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f@3Cusers.spamassassin.apache.org3E https://lists.debian.org/debian-lts-announce/2019/12/msg00019.html https://seclists.org/bugtraq/2019/Dec/27 https://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt https://usn.ubuntu.com/4237-1/ https://usn.ubuntu.com/4237-2/ https://www.debian.org/security/2019/dsa-4584

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5