HP Security Bulletin - Potential security vulnerabilities have been identified in PostgreSQL versions 8.2.4 and earlier running on HP Internet Express for Tru64 UNIX. The vulnerabilities could be exploited to execute arbitrary code, elevation of privilege, or cause a Denial of Service (DoS).
afd1bc6c33580067923d30d07609a12eab7bab28a754619e073a2ce527a5286aGentoo Linux Security Advisory GLSA 200801-15 - If using the expression indexes feature, PostgreSQL executes index functions as the superuser during VACUUM and ANALYZE instead of the table owner, and allows SET ROLE and SET SESSION AUTHORIZATION in the index functions (CVE-2007-6600). Additionally, several errors involving regular expressions were found (CVE-2007-4769, CVE-2007-4772, CVE-2007-6067). Eventually, a privilege escalation vulnerability via unspecified vectors in the DBLink module was reported (CVE-2007-6601). This vulnerability is exploitable when local trust or ident authentication is used, and is due to an incomplete fix of CVE-2007-3278. Versions less than 8.0.15 are affected.
172cdfb474f0118a788ae219c7fb68c7559798040452c1e1dd818d4e41193477Ubuntu Security Notice 568-1 - Nico Leidecker discovered that PostgreSQL did not properly restrict dblink functions. An authenticated user could exploit this flaw to access arbitrary accounts and execute arbitrary SQL queries. It was discovered that the TCL regular expression parser used by PostgreSQL did not properly check its input. An attacker could send crafted regular expressions to PostgreSQL and cause a denial of service via resource exhaustion or database crash. It was discovered that PostgreSQL executed VACUUM and ANALYZE operations within index functions with superuser privileges and also allowed SET ROLE and SET SESSION AUTHORIZATION within index functions. A remote authenticated user could exploit these flaws to gain privileges.
47d59960e481124c283b84984065380cc224fcda98eb11e54fce799c288e75c1Debian Security Advisory 1463-1 - Several local vulnerabilities have been discovered in PostgreSQL, an object-relational SQL database.
bf82c28f78aa61e68865b176249ca0279e41256a1de3a041b5d109a070a22eebDebian Security Advisory 1460-1 - Several local vulnerabilities have been discovered in PostgreSQL, an object-relational SQL database.
15fa8c37a84c4650b0057ddb1f483cac6bd377383f70e2bbe3482537af09de8aMandriva Linux Security Advisory - PostgreSQL 8.1 and probably later and earlier versions, when local trust authentication is enabled and the Database Link library (dblink) is installed, allows remote attackers to access arbitrary accounts and execute arbitrary SQL queries via a dblink host parameter that proxies the connection from 127.0.0.1. PostgreSQL 8.1 and probably later and earlier versions, when the PL/pgSQL (plpgsql) language has been created, grants certain plpgsql privileges to the PUBLIC domain, which allows remote attackers to create and execute functions, as demonstrated by functions that perform local brute-force password guessing attacks, which may evade intrusion detection. The Database Link library (dblink) in PostgreSQL 8.1 implements functions via CREATE statements that map to arbitrary libraries based on the C programming language, which allows remote authenticated superusers to map and execute a function from any library, as demonstrated by using the system function in libc.so.6 to gain shell access.
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