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Vulnerability Details : CVE-2010-0442

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."
Publish Date : 2010-02-02 Last Update Date : 2017-09-18
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 189

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:A/AC:L/Au:S/C:P/I:P/A:P 2010-01-27 2010-01-27
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2010-0429 -- postgresql security update (moderate) oval:org.mitre.oval:def:27970 unix
DSA-2051 postgresql-8.3 -- several vulnerabilities oval:org.mitre.oval:def:11655 unix
DSA-2051-1 postgresql-8.3 -- several oval:org.mitre.oval:def:13636 unix
ELSA-2010:0429: postgresql security update (Moderate) oval:org.mitre.oval:def:22939 unix
RHSA-2010:0427: postgresql security update (Moderate) oval:com.redhat.rhsa:def:20100427 unix
RHSA-2010:0428: postgresql security update (Moderate) oval:com.redhat.rhsa:def:20100428 unix
RHSA-2010:0429: postgresql security update (Moderate) oval:org.mitre.oval:def:21774 unix
RHSA-2010:0429: postgresql security update (Moderate) oval:com.redhat.rhsa:def:20100429 unix
The bitsubstr function in backend/utils/adt/varbit.c in PostgreSQL 8.0.23, 8.1.11, and 8.3.8 allows remote authenticated... oval:org.mitre.oval:def:9720 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-0442

# Product Type Vendor Product Version Update Edition Language
1 Application Postgresql Postgresql 8.0.23 Version Details Vulnerabilities
2 Application Postgresql Postgresql 8.1.11 Version Details Vulnerabilities
3 Application Postgresql Postgresql 8.3.8 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Postgresql Postgresql 3

- References For CVE-2010-0442
XF postgresql-substring-bo(55902)
VUPEN ADV-2010-1207
VUPEN ADV-2010-1197
BID 37973 PostgreSQL 'bitsubstr' Buffer Overflow Vulnerability Release Date:2010-07-20
VUPEN ADV-2010-1022;a=commit;h=75dea10196c31d98d98c0bafeeb576ae99c09b12 CONFIRM;a=commit;h=b15087cb39ca9e4bde3c8920fcee3741045d2b83 CONFIRM
REDHAT RHSA-2010:0429
REDHAT RHSA-2010:0427
REDHAT RHSA-2010:0428
MLIST [oss-security] 20100127 Re: CVE id request: postgresql bitsubstr overflow
SECTRACK 1023510
MLIST [pgsql-hackers] 20100107 Re: Patch: Allow substring/replace() to get/set bit values
MLIST [pgsql-committers] 20100107 pgsql: Make bit/varbit substring() treat any negative length as meaning

- Metasploit Modules Related To CVE-2010-0442

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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