CVE-2023-42453 Improper validation of receipts allows forged read receipts in matrix synapse

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

CVE-2023-42453

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

CVE-2023-42453

CVE-2023-42453 affects Synapse (Matrix.org) — a Python/Twisted Matrix homeserver. The vulnerability allows forging read receipts for arbitrary events when the attacker knows the room ID and event ID, without needing to view the events. The consequence is clients may display the event as read by t...

CVE-2023-42453 Improper validation of receipts allows forged read receipts in matrix synapse

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

GHSA-7565-CQ32-VX2X matrix-synapse vulnerable to improper validation of receipts allows forged read receipts

Impact Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as clients will show the event as read by the user, even if they are not in the room. Patche...

matrix-synapse vulnerable to improper validation of receipts allows forged read receipts

Impact Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as clients will show the event as read by the user, even if they are not in the room. Patche...

Malicious code in @zettle-bo/receipts (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware f074405b00ebdd38c3d826a75574548f1f1b7c544506344f2fa7ecd28a210885 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2023-8206 Malicious code in @zettle-bo/receipts (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware f074405b00ebdd38c3d826a75574548f1f1b7c544506344f2fa7ecd28a210885 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Upgraded Q -> 2 from #206 [1676531414343]

Judge has assessed an item in Issue 206 as 2 risk. The relevant finding follows: Issue 2: receipts are not burned upon claiming reward. In my opinion, current system of just claiming some tokens to be "used" has some downsides: in any claim check, users spend gas to iterate over these tokens too...

Upgraded Q -> 2 from #619 [1675724616184]

Judge has assessed an item in Issue 619 as 2 risk. The relevant finding follows: L-06 In contract Quest the function claim shouldn't only set the receipt as claimed, but to burn it as well. As this problem brings the risk, where users can sell already claimed receipts to other people The function...

Upgraded Q -> 2 from #670 [1675726426987]

Judge has assessed an item in Issue 670 as 2 risk. The relevant finding follows: L-04 Changing rabbitholeReceiptContract in QuestFactory will break currently running quests rabbitHoleReceiptContract must be the same in QuestFactory and Quest contracts for quests to function correctly. If there is...

Upgraded Q -> 3 from #154 [1675567996775]

Judge has assessed an item in Issue 154 as 3 risk. The relevant finding follows: Erc20Quest.withdrawFee can be called against a quest more than once function withdrawFee public onlyAdminWithdrawAfterEnd IERC20rewardToken.safeTransferprotocolFeeRecipient, protocolFee; The withdrawFee function does...

Upgraded Q -> 2 from #251 [1675573596034]

Judge has assessed an item in Issue 251 as 2 risk. The relevant finding follows: L-03 The claim function might use an amount of gas greater than the block gas limit. Description: The claim function at the Quest.sol contract can consume an amount of gas greater than the block gas limit if the user...

The onlyMinter modifier checks the wrong condition.

Lines of code Vulnerability details Impact In RabbitHoleReceipt.sol and RabbitHoleTicket.sol, receipts and tickets can be minted by anyone. Proof of Concept The first line inside the modifier can be passed without reverting for any callers. modifier onlyMinter msg.sender == minterAddress; ; Tools...

ONLYMINTER MODIFIER WILL NOT REVERT WHEN MSG.SENDER IS NOT MINTERADDRESS

Lines of code Vulnerability details Impact onlyMinter in RabbitHoleReceipt.sol and RabbitHoleTickets.sol is noted to be housing only msg.sender == minterAddress in its code logic. RabbitHoleReceipt.solL58-L61 RabbitHoleTickets.solL47-L50 modifier onlyMinter msg.sender == minterAddress; ; It will...

Quest owner can withdraw the reward for unclaimed receipt.

Lines of code Vulnerability details Impact Erc1155Quest.withdrawRemainingTokens will withdraw all tokens even if there are users who minted a receipt but didn't claimed their rewards before endTime Proof of Concept Whitelisted account creates a new ERC1155 quest. Whitelisted account becames the...

Vulnerability of the `getReadReceipts` method in the server-based corporate messaging system that supports file and video conferences. Chat, which allows attackers to expose sensitive information.

The vulnerability of the getReadReceipts method in the server-based corporate messaging system that supports file and video conferences. Chat involves insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to disclose protected information...

Use of arbitrary ERC20 tokens could result misaccounting of funds

Lines of code Vulnerability details Vulnerability details If the token is set to a deflationary/fee-on-transfer token then its actual transfer amounts will not be accurately reflected in the protocol accounting given the lack of pre-transfer and post-transfer checks on asset transfers. Impact Som...

CVE-2022-30628

It was possible to download all receipts without authentication. Must first access the API https://XXXX.supersmart.me/services/v4/customer/signin to get a TOKEN. Then you can then access the API that provides invoice images based on the URL...

Authentication flaw

It was possible to download all receipts without authentication. Must first access the API https://XXXX.supersmart.me/services/v4/customer/signin to get a TOKEN. Then you can then access the API that provides invoice images based on the URL...