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Last updated: 2/8/2016 10:17:41 PM

CVE Publication rate: 11.53

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Vulnerability Workload Index: 4.46
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National Cyber Awareness System

Vulnerability Summary for CVE-2009-0688

Original release date: 05/15/2009
Last revised: 10/22/2012


Multiple buffer overflows in the CMU Cyrus SASL library before 2.1.23 might allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via strings that are used as input to the sasl_encode64 function in lib/saslutil.c.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (06/19/2009)
The upstream fix for this issue is not backwards compatible and introduces an ABI change not allowed in Red Hat Enterprise Linux. Therefore, there is no plan to address this problem directly in cyrus-sasl packages. All applications shipped in Red Hat Enterprise Linux and using affected sasl_encode64() function were investigated and patched if their use of the function could have security consequences. See following bug report for further details: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-0688#c20

References to Advisories, Solutions, and Tools

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External Source: SLACKWARE
Name: SSA:2009-134-01
External Source: SUNALERT
Name: 259148
External Source: OVAL
Name: oval:org.mitre.oval:def:6136
External Source: MANDRIVA
Name: MDVSA-2009:113
External Source: SUNALERT
Name: 1020755
External Source: OSVDB
Name: 54514
External Source: REDHAT
Name: RHSA-2009:1116
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4077
External Source: SUNALERT
Name: 273910
External Source: APPLE
Name: APPLE-SA-2010-03-29-1
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0091
External Source: BID
Name: 34961
Type: Patch Information
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-184.htm
External Source: SUSE
Name: SUSE-SR:2009:011
External Source: DEBIAN
Name: DSA-1807
External Source: XF
Name: solaris-sasl-saslencode64-bo(50554)
External Source: SUNALERT
Name: 1021699
External Source: SECTRACK
Name: 1022231
External Source: VUPEN
Name: ADV-2009-1313
US-CERT Vulnerability Note: CERT-VN
Name: VU#238019
Type: Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:10687
External Source: CONFIRM
Name: ftp://ftp.andrew.cmu.edu/pub/cyrus-mail/cyrus-sasl-2.1.23.tar.gz
Type: Patch Information
External Source: GENTOO
Name: GLSA-200907-09
External Source: OSVDB
Name: 54515
External Source: UBUNTU
Name: USN-790-1
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html
External Source: SUNALERT
Name: 264248
External Source: VUPEN
Name: ADV-2009-2012
US-CERT Vulnerability Note: CERT
Name: TA10-103B

References to Check Content

Identifier: oval:org.mitre.oval:def:10687
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:6136
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.21
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.20
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.19
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.22 and previous versions
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.24
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.28
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.4.1
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.0
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.10
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.11
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.13
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.15
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.16
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.2
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.20
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.21
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.22
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.23
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.26
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.27
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.3
* cpe:/a:carnegie_mellon_university:cyrus-sasl:1.5.5
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.0.0
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.0.1
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.0.2
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.0.3
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.0.4
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.0.5
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.0
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.1
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.10
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.11
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.12
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.13
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.14
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.15
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.16
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.17
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.18
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.2
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.3
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.5
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.6
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.7
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.8
* cpe:/a:carnegie_mellon_university:cyrus-sasl:2.1.9

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)