Vulnerabilities

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This page documents all vulnerabilities that have been present in Our World of Text. Design flaws will not be included. By definition, a vulnerability is a bug that a person can take advantage of to manipulate the server or a user's data in unauthorized ways.

April 12, 2018

Type: Unauthorized data manipulation

Description: With a few specially crafted edits, the content of a tile can get corrupted, affecting precisely-protected cells as well.

Commit(s): https://github.com/system2k/NodeWorldOfText/commit/edd89084e5cdb80d49af1239bf796506dadc3aea

Actively exploited at its time: Yes

Patched: Yes

Discoverer(s): Unknown, FP

September 23, 2021

Type: Crash exploit

Description: Sending a cursor message on a world with guest cursors disabled and then disconnecting the client would crash the server. Can be used to take down server for any amount of time.

Actively exploited at its time: No

Patched: Yes

Discoverer(s): FP

November 20, 2021

Type: Unauthorized in-memory representation manipulation

Description: Upon removing a member from your world, all of the member's connected clients will be temporarily demoted regardless of their world until they refresh. Caused by not checking the world the client is located in before unmarking user as member in memory.

Actively exploited at its time: No

Patched: Yes

Discoverer(s): FP

June 11, 2022

Type: Crash exploit

Description: A write to a tile containing an empty "link" object within the cell_props can crash the server. Can be used to take down server for any amount of time.

Commit(s): https://github.com/system2k/NodeWorldOfText/commit/d021af26bb8363fcf9ec73539cd05208b6f5ed3d

Actively exploited at its time: No

Patched: Yes

Discoverer(s): FP

February 27, 2023

Type: Data infiltration

Description: A user can insert arrays of unlimited lengths into the color array of a tile. Can be used to corrupt tile color data, take server down

Commit(s): https://github.com/system2k/NodeWorldOfText/commit/292df686812af8cb3d99bada2c3ded3f4b3d8850

Actively exploited at its time: No

Patched: Yes

Discoverer(s): FP

June 2, 2024

Type: Rate limit issue

Description: A user can send up to 512 chat messages per second on the Global channel.

Commit(s): https://github.com/system2k/NodeWorldOfText/commit/dd4b385b762dc9f6033ddcab788ce4e1a2103b77

Actively exploited at its time: Yes

Patched: Yes

Discoverer(s): Maroon, FP, KKosty4ka

June 17, 2024

Type: Crash exploit

Description: A crash exploit in the "ws" library affected OWOT.

Commit(s): https://github.com/system2k/NodeWorldOfText/commit/00ebd4202924dc660dab22ffd41f5c45f39da446

Actively exploited at its time: No

Patched: Yes

Discoverer(s): KKosty4ka