Denial of service in PostgreSQL - CVE-2017-7548

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU7874

Denial of service in PostgreSQL - CVE-2017-7548

Published: August 15, 2017 / Updated: February 9, 2018


Vulnerability identifier: #VU7874
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7548
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to an access control flaw in the lo_put() function to change the data in a large object. A remote attacker can cause the application to crash.

Affected software

PostgreSQL
Arch Linux
Amazon Linux AMI
Debian Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Fedora
Opensuse
postgresql (Alpine package)
postgresql
rh-postgresql95-postgresql (Red Hat package)
mingw-postgresql

How to mitigate CVE-2017-7548

The vulnerability is addressed in the following versions: 9.2.22, 9.3.18, 9.4.13, 9.5.8, 9.6.4.

postgresql (Alpine package) - update to 9.4.13-r0
postgresql - addressed in versions 9.5.8-1.fc25, 9.6.4-1.fc26
rh-postgresql95-postgresql (Red Hat package) - addressed in versions 9.5.9-1.el6, 9.5.9-1.el7
mingw-postgresql - update to 9.6.4-1.fc26

External References

Related Security Bulletins