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Bug #17008

closed
JP JP

Potential XSS via rule descriptions in the Suricata Alerts page

Bug #17008: Potential XSS via rule descriptions in the Suricata Alerts page

Added by Jim Pingle about 1 month ago. Updated 28 days ago.

Status:
Resolved
Priority:
Normal
Assignee:
Jim Pingle
Category:
Suricata
Target version:
-
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Affected Version:
Affected Plus Version:
Affected Architecture:

Description

The Suricata Alerts page (suricata_alerts.php) does not encode rule descriptions or other data before display.

The rule descriptions can be supplied by custom rules or untrusted external sources which could contain a problematic payload, potentially leading to XSS.

For example:

alert icmp any any -> any any (msg:"xss<img src=x onerror=alert(String.fromCharCode(88,83,83))>"; itype:8; sid:990064640; rev:1;)

If the attacker then sends traffic matching the rule while Suricata is set to alert, then the next administrator to view the suricata_alerts.php page would trigger an XSS.

Reported by: @lujiefsi

JP Updated by Jim Pingle about 1 month ago Actions
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 #1

  • Status changed from Confirmed to Feedback
  • % Done changed from 0 to 100
  • Private changed from Yes to No

Fixed in Suricata pkg v7.0.9

GT Updated by Georgiy Tyutyunnik 28 days ago Actions
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 #2

  • Status changed from Feedback to Resolved

Fixed in Suricata pkg v7.0.9, available in 26.03.1 and 26.07

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