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Last updated: 12/29/2014 7:24:17 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-1391

Original release date: 06/16/2009
Last revised: 08/21/2009
Source: US-CERT/NIST

Overview

Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly other products, allows context-dependent attackers to cause a denial of service (hang or crash) via a crafted zlib compressed stream that triggers a heap-based buffer overflow, as exploited in the wild by Trojan.Downloader-71014 in June 2009.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: FEDORA
Name: FEDORA-2009-7680
External Source: SECUNIA
Name: 35685
External Source: MANDRIVA
Name: MDVSA-2009:157
External Source: OSVDB
Name: 55041
External Source: VUPEN
Name: ADV-2009-1571
Type: Advisory; Patch Information
External Source: XF
Name: perl-compressrawzlib-inflate-bo(51062)
Type: Patch Information
External Source: BID
Name: 35307
Type: Patch Information; Exploit
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=504386
External Source: SECUNIA
Name: 35876
External Source: CONFIRM
Name: https://bugs.gentoo.org/show_bug.cgi?id=273141
External Source: SECUNIA
Name: 35689
External Source: MISC
Name: http://article.gmane.org/gmane.mail.virus.amavis.user/33635
External Source: SECUNIA
Name: 35422
Type: Advisory
External Source: MISC
Name: http://thread.gmane.org/gmane.mail.virus.amavis.user/33635
External Source: UBUNTU
Name: USN-794-1
External Source: SUSE
Name: SUSE-SR:2009:012
External Source: GENTOO
Name: GLSA-200908-07
External Source: MISC
Name: http://article.gmane.org/gmane.mail.virus.amavis.user/33638

Technical Details

Vulnerability Type (View All)