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Last updated: 5/29/2016 5:39:52 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0442

Original release date: 02/02/2010
Last revised: 08/21/2010


The bitsubstr function in backend/utils/adt/varbit.c in PostgreSQL 8.0.23, 8.1.11, and 8.3.8 allows remote authenticated users to cause a denial of service (daemon crash) or have unspecified other impact via vectors involving a negative integer in the third argument, as demonstrated by a SELECT statement that contains a call to the substring function for a bit string, related to an "overflow."


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.5 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MISC
Name: http://intevydis.blogspot.com/2010/01/postgresql-8023-bitsubstr-overflow.html
External Source: VUPEN
Name: ADV-2010-1221
External Source: MLIST
Name: [pgsql-hackers] 20100107 Re: Patch: Allow substring/replace() to get/set bit values
External Source: CONFIRM
Name: http://git.postgresql.org/gitweb?p=postgresql.git;a=commit;h=b15087cb39ca9e4bde3c8920fcee3741045d2b83
External Source: MANDRIVA
Name: MDVSA-2010:103
External Source: MLIST
Name: [pgsql-committers] 20100107 pgsql: Make bit/varbit substring() treat any negative length as meaning
External Source: BID
Name: 37973
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=559194
External Source: VUPEN
Name: ADV-2010-1197
External Source: MLIST
Name: [oss-security] 20100127 Re: CVE id request: postgresql bitsubstr overflow
External Source: REDHAT
Name: RHSA-2010:0429
External Source: UBUNTU
Name: USN-933-1
External Source: VUPEN
Name: ADV-2010-1207
External Source: SECTRACK
Name: 1023510
External Source: REDHAT
Name: RHSA-2010:0427
External Source: VUPEN
Name: ADV-2010-1022
External Source: CONFIRM
Name: http://git.postgresql.org/gitweb?p=postgresql.git;a=commit;h=75dea10196c31d98d98c0bafeeb576ae99c09b12
External Source: MISC
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567058
External Source: DEBIAN
Name: DSA-2051
External Source: REDHAT
Name: RHSA-2010:0428
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=559259
External Source: XF
Name: postgresql-substring-bo(55902)
External Source: OVAL
Name: oval:org.mitre.oval:def:9720

References to Check Content

Identifier: oval:org.mitre.oval:def:9720
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

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