Bug 1629521 (CVE-2017-15705)

Summary: CVE-2017-15705 spamassassin: Certain unclosed tags in crafted emails allow for scan timeouts and result in denial of service
Product: [Other] Security Response Reporter: Sam Fowler <sfowler>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: jjelen, jskarvad, kevin, nb, olysonek, wtogami
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: spamassassin 3.4.2 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the way SpamAssassin processes HTML email containing unclosed HTML tags. A carefully crafted mail message could cause SpamAssassin to consume significant resources. If a large number of these messages are sent, a denial of service could occur potentially delaying or preventing the delivery of email.
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-10 10:37:50 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1629522, 1629523, 1632998, 1632999    
Bug Blocks: 1629527    

Description Sam Fowler 2018-09-17 03:15:42 UTC
Apache SpamAssassin before version 3.4.2 is vulnerable to a denial of service in the handling of crafted email. The vulnerability arises with certain unclosed tags in emails that cause markup to be handled incorrectly leading to scan timeouts.

External Reference:


Comment 1 Sam Fowler 2018-09-17 03:16:06 UTC
Created spamassassin tracking bugs for this issue:

Affects: fedora-all [bug 1629522]

Comment 6 errata-xmlrpc 2018-10-11 21:29:38 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2916 https://access.redhat.com/errata/RHSA-2018:2916