Vulnerability CVE-2015-8770
Published: 2016-01-29

Description:
Directory traversal vulnerability in the set_skin function in program/include/rcmail_output_html.php in Roundcube before 1.0.8 and 1.1.x before 1.1.4 allows remote authenticated users with certain permissions to read arbitrary files or possibly execute arbitrary code via a .. (dot dot) in the _skin parameter to index.php.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Roundcube 1.1.3 Path Traversal
High-Tech Bridge...
15.01.2016

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6/10
6.4/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Roundcube -> Roundcube webmail 

 References:
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00030.html
http://packetstormsecurity.com/files/135274/Roundcube-1.1.3-Path-Traversal.html
http://trac.roundcube.net/changeset/10e5192a2b/github
http://trac.roundcube.net/ticket/1490620
http://www.debian.org/security/2016/dsa-3541
http://www.securityfocus.com/archive/1/537304/100/0/threaded
https://roundcube.net/news/2015/12/26/updates-1.1.4-and-1.0.8-released/
https://security.gentoo.org/glsa/201603-03
https://www.exploit-db.com/exploits/39245/
https://www.htbridge.com/advisory/HTB23283
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