(HP Issues Fix for Tru64) Sendmail Excessive Recursion in Processing Malformed MIME Messages Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1016319 |
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SecurityTracker URL: http://securitytracker.com/id/1016319
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CVE Reference:
CVE-2006-1173
(Links to External Site)
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Date: Jun 16 2006
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 8.13.7
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Description:
A vulnerability was reported in Sendmail. A remote user can cause denial of service conditions.
A remote user can send a specially crafted message containing malformed, deeply nested MIME content to cause excessive recursion, leading to stack exhaustion when the system attempts to deliver the message from the queue. Only mail delivered from the queue is affected. The system may fail to reattempt delivery of messages in the queue. Incoming mail is still accepted and delivered.
Also, if the system is configured to write uniquely named core dump files per process, the disk space may become filled with core dumps.
The vendor credits Frank Sheiness with reporting this vulnerability.
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Impact:
A remote user may be able to stop the delivery of queued messages.
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Solution:
HP has issued the following Early Release Patch kits (ERPs).
HP Tru64 UNIX Version 5.1B-3 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000619-V51BB26-ES-20060515
Name:T64KIT1000619-V51BB26-ES-20060515
MD5 Checksum: d8bb00d342b21de6fba54baed8617282
HP Tru64 UNIX Version 5.1B-2/PK4 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000617-V51BB25-ES-20060515
Name: T64KIT1000617-V51BB25-ES-20060515
MD5 Checksum: 1d8a0dc34628b5898c99b6dab2714320
HP Tru64 UNIX Version 5.1A PK6 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000618-V51AB24-ES-20060515
Name: T64KIT1000618-V51AB24-ES-20060515
MD5 Checksum: b9a2ef1d0c1745ce0fa265b2d2fd8c32
HP Tru64 UNIX Version 4.0G PK4 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000635-V40GB22-ES-20060519
Name: T64KIT1000635-V40GB22-ES-20060519
MD5 Checksum: 2c74941543d969c92adef38a44b5c764
HP Tru64 UNIX Version 4.0F PK8 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=DUXKIT1000636-V40FB22-ES-20060519
Name: DUXKIT1000636-V40FB22-ES-20060519
MD5 Checksum: 9735ad5cc5c705e8bbbbefb01feb4128
HP Internet Express for Tru64 UNIX V6.3 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64V51AB-IX-631-SENDMAIL-SSRT-061135
Name: T64V51AB-IX-631-SENDMAIL-SSRT-061135
MD5 Checksum: ee9e7d5b0cc01e0424edc05021670820
HP Internet Express for Tru64 UNIX V6.4 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64V51AB-IX-641-SENDMAIL-SSRT-061135
Name: T64V51AB-IX-641-SENDMAIL-SSRT-061135
MD5 Checksum: 5b1a544575a62831c173fc489b8eaeea
HP Internet Explorer for Tru64 UNIX V6.5 ERP Kit
Location: http://www2.itrc.hp.com/service/patch/patchDetail.do?patchid=T64V51AB-IX-651-SENDMAIL-SSRT-061135
Name: T64V51AB-IX-651-SENDMAIL-SSRT-061135
MD5 Checksum: 0b6268159a9957c56ff2f35cea2057d8
The HP advisory is available at:
http://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00692635
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Vendor URL: www.sendmail.org/releases/8.13.7.html (Links to External Site)
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Cause:
State error
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Underlying OS:
UNIX (Tru64)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Fri, 16 Jun 2006 12:01:19 -0400
Subject: HPSBTU02116 SSRT061135 rev.2 - HP Tru64 UNIX and HP Internet Express for Tru64 UNIX Running sendmail, Remote Execution of Arbitrary Code or Denial
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http://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00692635
CVE-2006-1173
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