Gentoo Linux Security Advisory GLSA 200703-15 - PostgreSQL does not correctly check the data types of the SQL function arguments under unspecified circumstances nor the format of the provided tables in the query planner. Versions less than 8.0.11 are affected.
c9929224f19d0c7685ee31835f690bc91906c7cc2995d71a459afd27ff620bbcMandriva Security Advisory - Jeff Trout discovered that the PostgreSQL server did not sufficiently check data types of SQL function arguments in some cases. A user could then exploit this to crash the database server or read out arbitrary locations of the server's memory, which could be used to retrieve database contents that the user should not be able to see. Note that a user must be authenticated in order to exploit this. As well, Jeff Trout also discovered that the query planner did not verify that a table was still compatible with a previously-generated query plan, which could be exploited to read out arbitrary locations of the server's memory by using ALTER COLUMN TYPE during query execution. Again, a user must be authenticated in order to exploit this.
b9d49ee3a0db5fd14be3b0494fb05ea115fa2b63baca89b8c5f81a95bd12adf0Mandriva Linux Security Advisory - Jeff Trout discovered that the PostgreSQL server did not sufficiently check data types of SQL function arguments in some cases. A user could then exploit this to crash the database server or read out arbitrary locations of the server's memory, which could be used to retrieve database contents that the user should not be able to see. Note that a user must be authenticated in order to exploit this. As well, Jeff Trout also discovered that the query planner did not verify that a table was still compatible with a previously-generated query plan, which could be exploted to read out arbitrary locations of the server's memory by using ALTER COLUMN TYPE during query execution. Again, a user must be authenticated in order to exploit this.
8ba13b500368cd9f0de2fc453f06366e7735626f388086f0770d74d75a357737Ubuntu Security Notice 417-1 - Jeff Trout discovered that the PostgreSQL server did not sufficiently check data types of SQL function arguments in some cases. An authenticated attacker could exploit this to crash the database server or read out arbitrary locations in the server's memory, which could allow retrieving database content the attacker should not be able to see. Jeff Trout reported that the query planner did not verify that a table was still compatible with a previously made query plan. By using ALTER COLUMN TYPE during query execution, an attacker could exploit this to read out arbitrary locations in the server's memory, which could allow retrieving database content the attacker should not be able to see.
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