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.
*CVSS:
| Base Score: | 4 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 3 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
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.
References:
- SpamAssassin SVN Repository: ANNOUNCE: Apache SpamAssassin 3.1.8 available!.
- SpamAssassin: Downloads: The Apache SpamAssassin Project.
- 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
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 ES
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 5
- RedHat Enterprise Linux 5 Client
- RedHat Enterprise Linux 5 Client Workstation
Reported:
Feb 15, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.