Ecosyste.ms: Advisories

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Security Advisories: GSA_kwCzR0hTQS00NmM1LXBmajgtZnY2Nc00Jw

Improperly checked metadata on tools/armour itemstacks received from the client

Impact

Due to a workaround applied in 1.13, an attacker may send a negative damage/meta value in a tool or armour item's NBT, which TypeConverter then blindly uses as if it was valid without being checked.

When this invalid metadata value reaches Durable->setDamage(), an exception is thrown because the metadata is not within the expected range for damage values.

This can be reproduced with either a too-large damage value, or a negative one.

Patches

c8e1cfcbee4945fd4b63d2a7e96025c59744d4f1

Workarounds

In theory this can be checked by plugins using a custom TypeConverter, but this is likely to be very cumbersome.

For more information

Permalink: https://github.com/advisories/GHSA-46c5-pfj8-fv65
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS00NmM1LXBmajgtZnY2Nc00Jw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 2 years ago
Updated: over 1 year ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-46c5-pfj8-fv65
References: Repository: https://github.com/pmmp/PocketMine-MP
Blast Radius: 15.6

Affected Packages

packagist:pocketmine/pocketmine-mp
Dependent packages: 52
Dependent repositories: 120
Downloads: 53,564 total
Affected Version Ranges: < 4.2.4
Fixed in: 4.2.4
All affected versions: 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, 4.0.0, 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, 4.2.0, 4.2.1, 4.2.2, 4.2.3
All unaffected versions: 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, 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, 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, 4.14.0, 4.14.1, 4.15.0, 4.15.1, 4.15.2, 4.15.3, 4.16.0, 4.17.0, 4.17.1, 4.17.2, 4.18.0, 4.18.1, 4.18.2, 4.18.3, 4.18.4, 4.19.0, 4.19.1, 4.19.2, 4.19.3, 4.20.0, 4.20.1, 4.20.2, 4.20.3, 4.20.4, 4.20.5, 4.21.0, 4.21.1, 4.22.0, 4.22.1, 4.22.2, 4.22.3, 4.23.0, 4.23.1, 4.23.2, 4.23.3, 4.23.4, 4.23.5, 4.23.6, 4.24.0, 4.25.0, 4.26.0, 5.0.0, 5.0.1, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.2.0, 5.2.1, 5.3.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.4.0, 5.4.1, 5.4.2, 5.4.3, 5.4.4, 5.5.0, 5.6.0, 5.6.1, 5.7.0, 5.7.1, 5.8.0, 5.8.1, 5.8.2, 5.9.0, 5.10.0, 5.11.0, 5.11.1, 5.11.2, 5.12.0, 5.12.1, 5.13.0, 5.14.0, 5.14.1