CVE-2015-8770

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 22.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-01-29 · updated 2026-06-17
Weakness: CWE-22

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.

Affected products

Roundcube Webmail: through 1.0.7; 1.1.0, 1.1.1, 1.1.2, 1.1.3

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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