Vulnerability CVE-2017-8806


Published: 2017-11-13

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.

Type:

CWE-59

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

Vendor: Debian
Product: Debian linux 
Version: 9.0; 8.0;
Vendor: Canonical
Product: Ubuntu linux 
Version:
17.10
17.04
16.04
14.04
Vendor: Postgresql
Product: Postgresql 

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.6/10
4.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial

 References:
http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog
http://www.securityfocus.com/bid/101810
https://usn.ubuntu.com/usn/usn-3476-1/
https://www.debian.org/security/2017/dsa-4029

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