SpamAssassin URL denial of service
| spamassassin-url-dos (32536) |  Low Risk |
Description:
SpamAssassin is vulnerable to a denial of service, caused by the improper handling of messages. By persuading a victim to open a specially-crafted email containing an overly long URL, a remote attacker could consume all available memory resources, resulting in a denial of service.
Platforms Affected:
- Apache, SpamAssassin 3.0.1
- Apache, SpamAssassin 3.0.2
- Apache, SpamAssassin 3.0.3
- Apache, SpamAssassin 3.0.4
- Apache, SpamAssassin 3.1.0
- Apache, SpamAssassin 3.1.1
- Apache, SpamAssassin 3.1.2
- Apache, SpamAssassin 3.1.7
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 2007 X86_64
- MandrakeSoft, Mandrake Linux 2007
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 5
- RedHat, Enterprise Linux 5 Client
- RedHat, Enterprise Linux 5 Client Workstation
Remedy:
Upgrade to the latest version of SpamAssassin (3.1.8 or later) available from the SpamAssassin: Downloads Web page. See References.
For Red Hat Linux (spamassassin):
Refer to RHSA-2007:0074-2 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux (spamassassin):
Refer to GLSA 200703-02 for patch, upgrade, or suggested workaround information. See References.
For Mandriva Linux (spamassassin):
Refer to MDKSA-2007:049 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux (spamassassin):
Refer to RHSA-2007:0075-2 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Denial of Service
References:
- SpamAssassin SVN Repository, ANNOUNCE: Apache SpamAssassin 3.1.8 available! at http://svn.apache.org/repos/asf/spamassassin/branches/3.1/build/announcements/3.1.8.txt.
- SpamAssassin: Downloads, The Apache SpamAssassin Project at http://spamassassin.apache.org/downloads.cgi?update=200509141634.
- ASA-2007-076: SpamAssassin security update (RHSA-2007-0074)
- BID-22584: SpamAssassin Long URI Handling Remote Denial of Service Vulnerability
- CVE-2007-0451: Apache SpamAssassin before 3.1.8 allows remote attackers to cause a denial of service via long URLs in malformed HTML, which triggers massive memory usage.
- GLSA-200703-02: SpamAssassin: Long URI Denial of Service
- MDKSA-2007:049: Updated spamassassin packages fix DoS vulnerability
- RHSA-2007-0074: Important: spamassassin security update
- RHSA-2007-0075: Important: spamassassin security update
- SA24197: SpamAssassin Long URI Denial of Service
- SECTRACK ID: 1017666: SpamAssassin Error in Processing Long URIs May Let Remote Users Deny Servce
- SUSE-SR:2007:006: SUSE Security Summary Report
- VUPEN/ADV-2007-0628: SpamAssassin HTML Message Parsing Long URL Remote Denial of Service Vulnerability
Reported:
Feb 15, 2007
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