KLA11014
Mupltiple vulnerabilities in PostgreSQL

Multiple serious vulnerabilities have been found in PostgreSQL. Malicious users can exploit these vulnerabilities to bypass security restrictions and obtain sensitive information.

Below is a complete list of vulnerabilities:

1. An incorrect check of user privileges in some selectivity estimation functions can be exploited remotely possibly to bypass security restrictions or obtain sensitive information;
2. An issue with enforcing a SSL/TLS connection which is done by the PGREQUIRESSL environment variable can be exploited remotely possibly to bypass security restrictions or obtain sensitive information;
3. An improper implementation of pg_user_mappings access qualifications can be exploited remotely to obtain sensitive information.

Technical details

Vulnerability (1) is related to providing information from pg_static.

NB: These vulnerabilities don’t have any public CVSS ratings so rating can be changed by the time.

PostgreSQL 9.2.x before 9.2.21
PostgreSQL 9.3.x before 9.3.17
PostgreSQL 9.4.x before 9.4.12
PostgreSQL 9.5.x before 9.5.7
PostgreSQL 9.6.x before 9.6.3

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