NetSight
medium6.5

CVE-2022-51018

PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length.

Impact

PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length. A player who obtains a writable book can create oversized NBT ('book bombs'), causing excess bandwidth consumption and server crashes (exceeding the 1 MB chunk size limit when saving region-based worlds in PM3, or exceeding the 32 KiB TAG_String limit in PM4).

Affected products

ProductAffected versions
PocketMine-MP
before 3.26.5
4.0.X
before 4.0.5

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References