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PostgreSQL Multiple Vulnerabilities
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Secunia Advisory:
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SA28359
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Release Date:
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2008-01-07
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Critical:
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Less critical
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Impact:
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Privilege escalation
DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | PostgreSQL 7.x
PostgreSQL 8.x
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| | CVE reference: | CVE-2007-4769 (Secunia mirror)
CVE-2007-4772 (Secunia mirror)
CVE-2007-6600 (Secunia mirror)
CVE-2007-6601 (Secunia mirror)
CVE-2007-6067 (Secunia mirror)
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Description:
Some vulnerabilities have been reported in PostgreSQL, which can be exploited by malicious users to gain escalated privileges or to cause a DoS (Denial of Service).
1) Index functions are executed as superuser during "VACUUM" and "ANALYZE", which can be exploited to gain escalated privileges.
2) "SET ROLE" and "SET SESSION AUTHORIZATION" are permitted within index functions, which can be exploited to gain escalated privileges.
3) Various errors in the processing of regular expressions within SQL queries can be exploited to cause infinite loops, consume large amounts of memory, or to crash the backend, resulting in a DoS.
4) Errors in the DBLink module can be exploited to gain superuser privileges when being used in combination with local trust or ident authentication.
The vulnerabilities are reported in versions 8.2, 8.1, 8.0, 7.4, and 7.3.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Solution:
Update to version 8.2.6, 8.1.11, 8.0.15, 7.4.19, or 7.3.21.
Source code:
http://www.postgresql.org/ftp/source/
Binaries:
http://www.postgresql.org/ftp/binary/
Provided and/or discovered by:
Reported by the vendor.
Original Advisory:
PostgreSQL:
http://www.postgresql.org/about/news.905
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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10 Related Secunia Security Advisories
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1. PostgreSQL SECURITY DEFINER Functions Privilege Escalation
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2. PostgreSQL Denial of Service and Information Disclosure
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3. PostgreSQL Denial of Service Vulnerabilities
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4. PostgreSQL Encoding-Based SQL Injection Vulnerability
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5. PostgreSQL Privilege Escalation and Denial of Service
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6. PostgreSQL Multiple Connections Denial of Service Vulnerability
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7. PostgreSQL Character Conversion and tsearch2 Module Vulnerabilities
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8. PostgreSQL Multiple Vulnerabilities
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9. PostgreSQL "make_oidjoins_check" Insecure Temporary File Handling
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10. PostgreSQL "pg_to_ascii()" Buffer Overflow Vulnerability
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