Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2018-1115

Incorrect Permission Assignment for Critical Resource

Published: May 10, 2018 | Modified: Nov 07, 2023
CVSS 3.x
9.1
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.x
6.4 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:P
RedHat/V2
RedHat/V3
4.2 LOW
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Ubuntu
LOW
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-1115
CWEhttps://cwe.mitre.org/data/definitions/732.html

postgresql before versions 10.4, 9.6.9 is vulnerable in the adminpack extension, the pg_catalog.pg_logfile_rotate() function doesnt follow the same ACLs than pg_rorate_logfile. If the adminpack is added to a database, an attacker able to connect to it could exploit this to force log rotation.

Weakness

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Affected Software

Name Vendor Start Version End Version
Postgresql Postgresql * 9.6.9 (excluding)
Postgresql Postgresql 10.0 (including) 10.4 (excluding)
Red Hat Software Collections for Red Hat Enterprise Linux 6 RedHat rh-postgresql96-postgresql-0:9.6.10-1.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS RedHat rh-postgresql96-postgresql-0:9.6.10-1.el6 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-postgresql10-postgresql-0:10.5-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-postgresql96-postgresql-0:9.6.10-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS RedHat rh-postgresql10-postgresql-0:10.5-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS RedHat rh-postgresql96-postgresql-0:9.6.10-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS RedHat rh-postgresql10-postgresql-0:10.5-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS RedHat rh-postgresql96-postgresql-0:9.6.10-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS RedHat rh-postgresql10-postgresql-0:10.5-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS RedHat rh-postgresql96-postgresql-0:9.6.10-1.el7 *
Postgresql-10 Ubuntu bionic *
Postgresql-10 Ubuntu upstream *
Postgresql-9.6 Ubuntu artful *
Postgresql-9.6 Ubuntu upstream *

Potential Mitigations

  • Run the code in a “jail” or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.

References

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