[arch-security] [ASA-201705-23] postgresql: information disclosure
rgacogne at archlinux.org
Tue May 30 18:04:24 UTC 2017
Arch Linux Security Advisory ASA-201705-23
Date : 2017-05-30
CVE-ID : CVE-2017-7484 CVE-2017-7486
Package : postgresql
Type : information disclosure
Remote : Yes
Link : https://security.archlinux.org/AVG-272
The package postgresql before version 9.6.3-1 is vulnerable to
Upgrade to 9.6.3-1.
# pacman -Syu "postgresql>=9.6.3-1"
The problems have been fixed upstream in version 9.6.3.
- CVE-2017-7484 (information disclosure)
A security issue has been found in PostgreSQL < 9.6.3, where some
selectivity estimation functions did not check user privileges before
providing information from pg_statistic, possibly leaking information.
An unprivileged attacker could use this flaw to steal some information
from tables they are otherwise not allowed to access.
- CVE-2017-7486 (information disclosure)
A security issue has been found in PostgreSQL < 9.6.3, where the
pg_user_mappings view disclosed user mapping options to any user having
USAGE privilege on the associated foreign server, including the
password. An attacker could then use the password to run arbitrary
queries against the server or others accepting the same credentials,
not just the limited queries one can issue via foreign tables.
An unprivileged, authenticated attacker can access sensitive
information on the vulnerable server.
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