Vulnerability Name:

CCN-187027

Published:2020-08-19
Updated:2020-08-19
Summary:Horde Groupware Webmail Edition could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization when parsing the fb_cals parameter in attendees.php. By sending specially-crafted input, an attacker could exploit this vulnerability to execute arbitrary code in the context of the www-data user.
CVSS v3 Severity:6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Consequences:Gain Access
References:Source: XF
Type: UNKNOWN
horde-groupwarewebmail22-code-exec(187027)

Source: CCN
Type: Horde Web site
Horde Groupware Webmail Edition

Source: CCN
Type: ZDI-20-1053
(0Day) Horde Groupware Webmail Edition attendees fb_cals Deserialization of Untrusted Data Remote Code Execution Vulnerability

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:horde:groupware_webmail_edition:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    horde groupware webmail edition *