This security advisory describes one low risk vulnerability.
CWE-285 - Improper Authorization
The vulnerability allows a remote attacker to perform unauthorized modification of data in database.
The vulnerability exists due to the
ALTER ... DEPENDS ON EXTENSION sub-commands do not perform authorization
checks, which can allow an unprivileged user to drop any function, procedure,
materialized view, index, or trigger under certain conditions. This attack is
possible if an administrator has installed an extension and an unprivileged
CREATE, or an extension owner either executes
predictably or can be convinced to execute
Update the affected package to version: 11.7-0+deb10u1.Vulnerable software versions
postgresql-11 (Debian package): 11.0-1, 11.1-1, 11.1-2, 11.2-1, 11.2-2, 11.3-1, 11.4-1, 11.5-1, 11.5-1+deb10u1, 11.5-2, 11.5-3sid1, 11.5-3sid2, 11.6-0+deb10u1, 11.6-2~sid1CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.