How to spot the signs of a virtual kidnap scam

Threats and bluster play a key role in most online attacks: Ransomware has its ransom note; trolls threaten to ramp up the pressure; tech support scammers insist your PC needs urgent assistance. Some take it a step further, leaning in with a more direct approach, ranging from death threats to...

sendFundsToUser() function, where executors are fully trusted to provide the correct information to complete the cross-chain transfer

78 comment Warden: hickuphh3 One area of concern is the sendFundsToUser function, where executors are fully trusted to provide the correct information to complete the cross-chain transfer. Any executor that becomes compromised will enable the attacker to fully drain the available liquidity of a...

ETH transefer is not checked properly

Lines of code Vulnerability details Title ETH transefer is not checked properly Impact Function will return successfully even if the transfer of ETH failed Proof of Concept in smart-contracts/LidoVault.solL141-L142 the function returns before checking that the ETH is sent properly. This may cause...

processYield() and distributeYield() may run out of gas and revert due to long list of extra rewards/yields

Lines of code Vulnerability details Impact Yields will not be able to be distributed to lenders because attempts to do so will revert Proof of Concept The processYield function loops overall of the extra rewards and transfers them File: smart-contracts/ConvexCurveLPVault.sol 1 105 uint256...

At LidoVault.sol, _withdrawFromYieldPool()function, ETH transfer return value is not checked

Lines of code Vulnerability details Impact At withdrawFromYieldPool ETH transfer return value is not checked as the return statement at line 141 breaks the return value checking. Proof of Concept function withdrawFromYieldPool address asset, uint256 amount, address to internal override returns...

LidoVault: Premature return after sending ETH

Lines of code Vulnerability details Details & Impact The require check is performed after exiting the function, meaning that the ETH transfer’s validity check is skipped. This would thus cause invalid withdrawals to be erroneously processed as valid. Recommended Mitigation Steps Swap the require...

The check for value transfer success is made after the return statement in _withdrawFromYieldPool of LidoVault

Lines of code Vulnerability details Impact Users can lose their funds Proof of Concept The code checks transaction success after returning the transfer value and finishing execution. If the call fails the transaction won't revert since requiresent, Errors.VTCOLLATERALWITHDRAWINVALID; won't execut...

CVE-2020-7238

A flaw was found in Netty, where it mishandles Transfer-Encoding whitespace. This flaw allows HTTP Request Smuggling. Mitigation Use HTTP/2 instead clear boundaries between requests Disable reuse of backend connections eg. http-reuse never in HAProxy or whatever equivalent LB settings...

GHSA-CXG2-49RQ-8GCR Apache Tomcat does not properly handle an invalid Transfer-Encoding header

Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service application outage or obtain sensitive information via a crafted header that interferes with "recycling...

Apache Tomcat does not properly handle an invalid Transfer-Encoding header

Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service application outage or obtain sensitive information via a crafted header that interferes with "recycling...

GHSA-WQ2P-Q66W-Q8GP Apache Tomcat Denial of Service vulnerability

Apache Tomcat before 6.0.39, 7.x before 7.0.50, and 8.x before 8.0.0-RC10 processes chunked transfer coding without properly handling 1 a large total amount of chunked data or 2 whitespace characters in an HTTP header value within a trailer field, which allows remote attackers to cause a denial o...

Integer Overflow or Wraparound in Apache Tomcat

Integer overflow in the parseChunkHeader function in java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4 allows remote attackers to cause a denial of service resource consumption via a malformed chunk size in chunke...

Improper Input Validation in Apache Tomcat

java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allows remote attackers to conduct HTTP request smuggling attacks...

GHSA-42J3-498Q-M6VP Improper Input Validation in Apache Tomcat

java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allows remote attackers to conduct HTTP request smuggling attacks...

Cally does not support ERC20 tokens with built-in fee

Lines of code Vulnerability details Impact Contract Cally does not properly handle ERC20 tokens that charge fee on their transfers. Implementation of such a tokens does not transfer exact amount provided to transfer but part of it is charged as a fee, burned or used in some other way. This leads ...

Fee-on-transfer / rebasing ERC20 cannot be used as underlying

Lines of code Vulnerability details Some ERC20 tokens may have fee-on-transfer or change balance without owner intervention. If these tokens are used as underlying in the protocol they can be lost. Proof of concept Alice creates a vault with a token that has a 1% fee on transfer. She sends...

GHSA-X9FV-C87W-55WC Improper Control of Generation of Code in Apache Camel

Apache Camel before 2.9.7, 2.10.0 before 2.10.7, 2.11.0 before 2.11.2, and 2.12.0 allows remote attackers to execute arbitrary simple language expressions by including "$simple" in a CamelFileName message header to a 1 FILE or 2 FTP producer...

CVE-2022-27134

EOSIO batdappboomx v327c04cf has an Access-control vulnerability in the transfer function of the smart contract which allows remote attackers to win the cryptocurrency without paying ticket fee via the std::string memo parameter...

CVE-2022-27134

EOSIO batdappboomx v327c04cf has an Access-control vulnerability in the transfer function of the smart contract which allows remote attackers to win the cryptocurrency without paying ticket fee via the std::string memo parameter...

CVE-2022-27134

EOSIO batdappboomx v327c04cf has an Access-control vulnerability in the transfer function of the smart contract which allows remote attackers to win the cryptocurrency without paying ticket fee via the std::string memo parameter...