GHSA-8phr-637g-pxrg

Suggest an improvement
Source
https://github.com/advisories/GHSA-8phr-637g-pxrg
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-8phr-637g-pxrg/GHSA-8phr-637g-pxrg.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-8phr-637g-pxrg
Aliases
Published
2023-11-17T21:51:24Z
Modified
2024-02-16T08:19:35.423249Z
Severity
  • CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Summary
LibreNMS Cross-site Scripting at Device groups Deletion feature
Details

Summary

XSS attacks occurs when application is not sanitising inputs properly and rendering the code from user input to browser which could allow an attacker to execute malicious javascript code.

PoC

  1. Login
  2. Create a device group in /device-groups
  3. Name it as "><img src=x onerror=alert(1);>
  4. save it
  5. Go to services and create a service template and add that device group into that and save it
  6. After that go back to device groups and delete that device, you will see XSS payload popup in message <img width="1043" alt="Screenshot 2023-11-08 at 9 15 56 PM" src="https://user-images.githubusercontent.com/31764504/281489434-9beaebd6-b9ce-4098-a8e0-d67b185062b5.png">

Vulnerable code:

https://github.com/librenms/librenms/blob/63eeeb71722237d1461a37bb6da99fda25e02c91/app/Http/Controllers/DeviceGroupController.php#L173C21-L173C21

Line 173 is not sanitizing device name properly <img width="793" alt="Screenshot 2023-11-08 at 9 26 14 PM" src="https://user-images.githubusercontent.com/31764504/281490570-5ae6e73a-37ce-4683-8bc8-81655abd8d09.png">

Impact

Cross site scripting can lead to cookie stealing attacks

References

Affected packages

Packagist / librenms/librenms

Package

Name
librenms/librenms
Purl
pkg:composer/librenms/librenms

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
23.11.0

Affected versions

1.*

1.19
1.20
1.20.1
1.21
1.22
1.22.01
1.23
1.24
1.25
1.26
1.27
1.28
1.29
1.30
1.30.01
1.31
1.31.01
1.31.02
1.31.03
1.32
1.32.01
1.33
1.33.01
1.34
1.35
1.36
1.36.01
1.37
1.38
1.39
1.40
1.41
1.42
1.42.01
1.43
1.44
1.45
1.46
1.47
1.48
1.48.1
1.49
1.50
1.50.1
1.51
1.52
1.53
1.53.1
1.54
1.55
1.56
1.57
1.58
1.58.1
1.59
1.60
1.61
1.62
1.62.1
1.62.2
1.63
1.64
1.64.1
1.65
1.65.1
1.66
1.67
1.68
1.69
1.70.0
1.70.1

21.*

21.1.0
21.2.0
21.3.0
21.4.0
21.5.0
21.5.1
21.6.0
21.7.0
21.8.0
21.9.0
21.9.1
21.10.0
21.10.1
21.10.2
21.11.0
21.12.0
21.12.1

22.*

22.1.0
22.2.0
22.2.1
22.2.2
22.3.0
22.4.0
22.4.1
22.5.0
22.6.0
22.7.0
22.8.0
22.9.0
22.10.0
22.11.0
22.12.0

23.*

23.1.0
23.1.1
23.2.0
23.4.0
23.4.1
23.5.0
23.6.0
23.7.0
23.8.0
23.8.1
23.8.2
23.9.0
23.9.1
23.10.0