Directory Traversal Vulnerability in Roundcube Email Client
CVE-2015-8770

7.5HIGH

Key Information:

Vendor

Roundcube

Status
Roundcube Webmail
Vendor
CVE Published:
29 January 2016

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 23%

What is CVE-2015-8770?

A directory traversal vulnerability in the 'set_skin' function of Roundcube allows remote authenticated users to exploit the _skin parameter in index.php. By leveraging this vulnerability, attackers can read unauthorized files or potentially execute arbitrary code. This issue affects various versions of Roundcube prior to 1.0.8 and 1.1.4, making it critical for users to upgrade to secure versions to mitigate risks.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2015-8770 - Proof of Concept

References

https://security.gentoo.org/glsa/201603-03
vendor-advisoryx_refsource_GENTOO
http://www.debian.org/security/2016/dsa-3541
vendor-advisoryx_refsource_DEBIAN
http://trac.roundcube.net/changeset/10e5192a2b/github
x_refsource_CONFIRM

EPSS Score

23% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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