GHSA-h87r-f4vc-mchv

Suggest an improvement
Source
https://github.com/advisories/GHSA-h87r-f4vc-mchv
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/06/GHSA-h87r-f4vc-mchv/GHSA-h87r-f4vc-mchv.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-h87r-f4vc-mchv
Published
2023-06-06T01:51:09Z
Modified
2024-12-02T05:46:53.168630Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
PocketMine-MP vulnerable to improperly checked dropped item count leading to server crash
Details

Impact

In 4.18.0, the network handling of inventories was completely revamped. Due to this, a bug was introduced which allowed players to request that the server drop more of an item than they had available in their hotbar.

This did not lead to any duplication issues, but instead led to a server crash, and is believed to have been exploited in the wild.

Patches

This was fixed in 58974765a68f63a9968a7ff3a06f584ff2ee08d2, which was released in 4.18.1.

Workarounds

Handle InventoryTransactionPacket in DataPacketReceiveEvent, and verify that the item count dropped isn't more than the available item count. However, it's complicated to do this, so it's not recommended.

Database specific 
{
    "nvd_published_at": null,
    "cwe_ids": [],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-06T01:51:09Z"
}
References

Affected packages

Packagist / pocketmine/pocketmine-mp

Package

Name
pocketmine/pocketmine-mp
Purl
pkg:composer/pocketmine/pocketmine-mp

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.1

Affected versions

3.*

3.0.0
3.0.1
3.0.2
3.0.3
3.0.4
3.0.5
3.0.6
3.0.7
3.0.8
3.0.9
3.0.10
3.0.11
3.0.12
3.1.0
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
3.1.8
3.2.0
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.3.0
3.3.1
3.3.2
3.3.3
3.3.4
3.4.0
3.4.1
3.4.2
3.4.3
3.5.0
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.10
3.5.11
3.5.12
3.5.13
3.6.0
3.6.1
3.6.2
3.6.3
3.6.4
3.6.5
3.6.6
3.7.0
3.7.1
3.7.2
3.7.3
3.8.0
3.8.1
3.8.2
3.8.3
3.8.4
3.8.5
3.8.6
3.8.7
3.9.0
3.9.1
3.9.2
3.9.3
3.9.4
3.9.5
3.9.6
3.9.7
3.9.8
3.10.0
3.10.1
3.11.0
3.11.1
3.11.2
3.11.3
3.11.4
3.11.5
3.11.6
3.11.7
3.12.0
3.12.1
3.12.2
3.12.3
3.12.4
3.12.5
3.12.6
3.13.0
3.13.1
3.14.0
3.14.1
3.14.2
3.14.3
3.15.0
3.15.1
3.15.2
3.15.3
3.15.4
3.16.0
3.16.1
3.17.0
3.17.1
3.17.2
3.17.3
3.17.4
3.17.5
3.17.6
3.17.7
3.18.0
3.18.1
3.18.2
3.19.0
3.19.1
3.19.2
3.19.3
3.20.0
3.21.0
3.21.1
3.22.0
3.22.1
3.22.2
3.22.3
3.22.4
3.22.5
3.23.0
3.23.1
3.24.0
3.25.0
3.25.1
3.25.2
3.25.3
3.25.4
3.25.5
3.25.6
3.26.0
3.26.1
3.26.2
3.26.3
3.26.4
3.26.5
3.27.0
3.28.0

4.*

4.0.0-BETA1
4.0.0-BETA2
4.0.0-BETA3
4.0.0-BETA4
4.0.0-BETA5
4.0.0-BETA6
4.0.0-BETA7
4.0.0-BETA8
4.0.0-BETA9
4.0.0-BETA10
4.0.0-BETA11
4.0.0-BETA12
4.0.0-BETA13
4.0.0-BETA14
4.0.0-BETA15
4.0.0
4.0.1
4.0.2
4.0.3
4.0.4
4.0.5
4.0.6
4.0.7
4.0.8
4.0.9
4.1.0-BETA1
4.1.0-BETA2
4.1.0
4.2.0
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
4.2.10
4.3.0
4.3.1
4.3.2
4.3.3
4.3.4
4.4.0-BETA1
4.4.0
4.4.1
4.4.2
4.5.0
4.5.1
4.5.2
4.6.0
4.6.1
4.6.2
4.7.0
4.7.1
4.7.2
4.7.3
4.8.0
4.8.1
4.9.0
4.9.1
4.10.0
4.10.1
4.10.2
4.11.0-BETA1
4.11.0-BETA2
4.11.0
4.12.0
4.12.1
4.12.2
4.12.3
4.12.4
4.12.5
4.12.6
4.12.7
4.12.8
4.12.9
4.12.10
4.12.11
4.13.0-BETA1
4.13.0
4.14.0
4.14.1
4.15.0
4.15.1
4.15.2
4.15.3
4.16.0-BETA1
4.16.0-BETA2
4.16.0
4.17.0
4.17.1
4.17.2
4.18.0-ALPHA1
4.18.0-ALPHA2
4.18.0