Vulnerability Details : CVE-2016-2056
Public exploit exists!
xymond in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 allow remote authenticated users to execute arbitrary commands via shell metacharacters in the adduser_name argument in (1) web/useradm.c or (2) web/chpasswd.c.
Products affected by CVE-2016-2056
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.2:p2:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.2:p1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.13:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2:alfa:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.23:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.22:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.17:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.16:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.21:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.20:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.15:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.14:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2:rc20060712:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2:beta20060605:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.24:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.19:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.18:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.2:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-2056
58.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2016-2056
-
Xymon useradm Command Execution
Disclosure Date: 2016-02-14First seen: 2020-04-26exploit/unix/webapp/xymon_useradm_cmd_execThis module exploits a command injection vulnerability in Xymon versions before 4.3.25 which allows authenticated users to execute arbitrary operating system commands as the web server user. When adding a new user to the system via the web interface with
CVSS scores for CVE-2016-2056
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2016-2056
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-2056
-
http://packetstormsecurity.com/files/135758/Xymon-4.3.x-Buffer-Overflow-Code-Execution-Information-Disclosure.html
Xymon 4.3.x Buffer Overflow / Code Execution / Information Disclosure ≈ Packet Storm
-
http://www.debian.org/security/2016/dsa-3495
Debian -- Security Information -- DSA-3495-1 xymon
-
http://www.securityfocus.com/archive/1/537522/100/0/threaded
SecurityFocus
-
http://packetstormsecurity.com/files/153620/Xymon-useradm-Command-Execution.html
Xymon useradm Command Execution ≈ Packet Storm
-
https://sourceforge.net/p/xymon/code/7892/
Xymon systems and network monitor / Code / Commit [r7892]Patch
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