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[ GLSA 200506-17 ] SpamAssassin 3, Vipul's Razor: Denial of Service vulnerability
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GLSA
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PostPosted: Tue Jun 21, 2005 6:24 am    Post subject: [ GLSA 200506-17 ] SpamAssassin 3, Vipul's Razor: Denial of Reply with quote

Gentoo Linux Security Advisory

Title: SpamAssassin 3, Vipul's Razor: Denial of Service vulnerability (GLSA 200506-17)
Severity: normal
Exploitable: remote
Date: June 21, 2005
Updated: May 22, 2006
Bug(s): #94722, #95492, #96776
ID: 200506-17

Synopsis

SpamAssassin and Vipul's Razor are vulnerable to a Denial of Service attack when handling certain malformed messages.

Background

SpamAssassin is an extensible email filter which is used to identify junk email. Vipul's Razor is a client for a distributed, collaborative spam detection and filtering network.

Affected Packages

Package: mail-filter/spamassassin
Vulnerable: < 3.0.4
Unaffected: >= 3.0.4
Unaffected: < 3.0.1
Architectures: All supported architectures

Package: mail-filter/razor
Vulnerable: < 2.74
Unaffected: >= 2.74
Architectures: All supported architectures


Description

SpamAssassin and Vipul's Razor contain a Denial of Service vulnerability when handling special misformatted long message headers.

Impact

By sending a specially crafted message an attacker could cause a Denial of Service attack against the SpamAssassin/Vipul's Razor server.

Workaround

There is no known workaround at this time.

Resolution

All SpamAssassin users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/spamassassin-3.0.4"
All Vipul's Razor users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/razor-2.74"


References

CAN-2005-1266
CVE-2005-2024
SpamAssassin Announcement
Vipul's Razor Announcement


Last edited by GLSA on Mon May 22, 2006 4:19 am; edited 2 times in total
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