Vulnerability in Postgresql
CVE-2017-8806
The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely, which could result in local denial of service by overwriting arbitrary files.
EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Postgresql
- Canonical Ubuntu_linux — versions 14.04, 16.04, 17.04
- Debian Debian_linux — versions 8.0, 9.0
- N/a Postgresql-related Scripts That Are Specific To Debian And Ubuntu — versions PostgreSQL-related scripts that are specific to Debian and Ubuntu
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking, Broken Link)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-8806?
- CVE-2017-8806 is a medium-severity vulnerability in Postgresql, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2017-11-13.
- How severe is CVE-2017-8806?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-8806 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.