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Advisories

IPFire < v2.29 Stored XSS via Default IP Search Value

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severity
medium
date
Affecting

  • IPFire < 2.29 (Core Update 198)

CWE
  • CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
CVSS
5.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Credit
Alex Williams from Pellera Technologies
Description
IPFire versions prior to 2.29 (Core Update 198) contain a stored cross-site scripting (XSS) vulnerability that allows an authenticated attacker to inject arbitrary JavaScript code through the pienumber parameter when updating the default firewall IP search values. When a user updates these defaults, the application issues an HTTP POST request to /cgi-bin/logs.cgi/firewalllogip.dat with the default number of IPs in the pienumber parameter. The value of this parameter is stored and later rendered in the web interface without proper sanitation or encoding, allowing injected scripts to execute in the context of other users who view the affected page.

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