OESA-2023-1496 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemblenegcontexts.CVE-2023-38427 An issue was discovered in the Linux kernel before...

the claim function may underFlow when it calculate the claimEnd

Lines of code Vulnerability details Impact in the claim function there is possibility of the underflow which lead the transaction to revert, the function may underflow in this line uint256 claimEnd = Math.mincurrEpoch - WEEK, claimUpToTimestamp because the currEpoch will return the current epoch...

PT-2023-4664 · Freerdp +8 · Freerdp +8

Name of the Vulnerable Software and Affected Versions: FreeRDP versions prior to 2.11.0 FreeRDP versions prior to 3.0.0-beta3 Description: The issue is related to an Integer-Underflow leading to Out-Of-Bound Read in the zgfx decompress segment function. In the context of CopyMemory, it's possible...

Huawei EulerOS: Security Advisory for c-ares (EulerOS-SA-2023-2575)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP9 : c-ares (EulerOS-SA-2023-2575)

According to the versions of the c-ares package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - c-ares is an asynchronous resolver library. When cross-compiling c-ares and using the autotools build system, CARESRANDOMFILE will not be set, as...

Wrong Accruing executed in VaultBooster.sol

Lines of code Vulnerability details Impact Accounting error in accruing at VaultBooster.sol will cause unexpected problems in VaultBooster.sol contract. Proof of Concept The accrue function of VaultBooster.sol at : does not check whether the return variable of computeAvailabletokenOut i.e.,...

integer underflow vulnerability in the _fractionalReward() function

Lines of code Vulnerability details Impact It could cause an integer underflow when calculating the reward fraction, resulting in the attacker getting more rewards than intended. True or false, explain in details, show relevant code and explain proof of co Proof of Concept The...

Integer underflow/overflow is possible in some of the timestamp calculations if sequenceOffset or auctionDuration are set maliciously

Lines of code Vulnerability details Impact An attacker could exploit this to make auctionElapsedTime return a low value when it should be high, thereby manipulating the reward calculation. Proof of Concept The vulnerability comes from the subtraction currentTime - sequenceOffset which could...

Improper Validation

libreoffice is vulnerable to Improper Validation. The vulnerability exists in the spreadsheet component of The Document Foundation LibreOffice which allows an attacker to craft a spreadsheet document that will cause an array index underflow when loaded...

Setting debtStartPoint > 0 breaks many BigBang actions

Lines of code Vulnerability details Impact If BigBang.debtStartPoint is set to a value 0, many core features will break, e.g. deposits of collateral will be possible, but removal not, which would effectively lock collateral inside the contract. Proof of Concept BigBang.getDebtRate uses the variab...

Loss of Funds when user wants to repay debt and underflow in _repay () function

Lines of code Vulnerability details Impact There is no check for if userBorrowPartto is greater than or equal to part before subtraction which can lead to loss of funds for user or underflow, incase a user inputs more amount than the user is in debt for. Proof of Concept Provide direct links to a...

Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.04 : MaraDNS vulnerabilities (USN-6271-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6271-1 advisory. Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were...

Liquidator can seize more tokens than the borrower has as collateral, leading to an arithmetic underflow and locking collateral.

Lines of code Vulnerability details Impact Lack of validation on seizeTokens could allow collateral locking by underflow. Proof of Concept The liquidateBorrowFresh function does not explicitly validate that seizeTokens is less than or equal to accountTokensborrower before transferring tokens from...

Overflow/underflow when creating the exchange rate Exp.

Lines of code Vulnerability details Impact Incorrect exchange rate values Proof of Concept the exchangeRateStoredInternal function is missing validation on the Exp mantissa size before creating the exchange rate Exp. This could lead to overflow. This would make the mantissa of exchangeRate equal ...

Possible integer underflow

Lines of code Vulnerability details Impact The previous FollowNFT implementation is different between v1.3 and v2.0. The followerCount is 0 for existing FollowNFTeven if lastFollowTokenId is not 0 after upgrade. // Old uint256 lastFollowTokenId slot splitted into two uint128s to include...

Integer underflow in grub_net_recv_ip4_packets

...

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.

...

Missing Validation which could cause Underflow Error

Lines of code Vulnerability details Impact Two instances of Missing Validation which could cause Underflow Error are spotted at L194 and L593 of NFTBoostVault.sol contract, from L194 there is no check to validate that oldDelegateeVotes is greater than registration.latestVotingPower and from L593...

Unsafe downcast can lead to silent Overflow that causes accounting issues which can be exploited.

Lines of code Vulnerability details Impact In the ARCDVestingVault.sol, there are instances of Unsafe downcasting where if the amount is greater than uint128 the amount will Overflow but silently where the transaction won't revert causing the stored amount to be smaller than the actual amount tha...

EulerOS Virtualization 3.0.6.6 : libtiff (EulerOS-SA-2023-2429)

According to the versions of the libtiff packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - Divide By Zero error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service via a crafted tiff file. For use...