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CVE-2017-8806

Date: November 13, 2017

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.

Severity Score

Related Resources (8)

http://www.securityfocus.com/bid/101810
https://security-tracker.debian.org/tracker/CVE-2017-8806
https://nvd.nist.gov/vuln/detail/CVE-2017-8806
http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-8806
https://usn.ubuntu.com/usn/usn-3476-1/
https://www.debian.org/security/2017/dsa-4029
https://www.mend.io/vulnerability-database/CVE-2017-8806

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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