CVE-2017-8806

MEDIUM
5.5
CVSS Score
Published: November 13, 2017 at 09:00 AM UTC
Updated: June 17, 2026 at 01:26 AM UTC
2 products affected across 2 vendorsPostgreSQLDebian Linux· also runs on 1 platform

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
canonical-ubuntu-linux (environment) · debian-debian-linux (environment)
80%
All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
http://www.securityfocus.com/bid/101810
x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://usn.ubuntu.com/usn/usn-3476-1/
x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://www.debian.org/security/2017/dsa-4029

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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