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

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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.

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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...

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...

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...

CVE-2022-28733

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

CVE-2022-28733

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

AZL-27553 CVE-2022-28733 affecting package grub2 for versions less than 2.06-12

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

DEBIAN-CVE-2022-28733

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

AZL-34788 CVE-2022-28733 affecting package grub2 for versions less than 2.06-14

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

CVE-2022-28733

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

Integer overflow

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

UBUNTU-CVE-2022-28733

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

CVE-2022-28733 Integer underflow in grub_net_recv_ip4_packets

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...

CVE-2022-28733

CVE-2022-28733 is a real grub2 vulnerability: an integer underflow in grub_net_recv_ip4_packets when processing IPv4 packets can cause a small rsm->total_len to wrap, potentially triggering a write past the end of a memory buffer. Public advisories (Debian DSA, Red Hat/NVD references) and vend...

CVE-2022-28733

Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen value. Under certain circumstances the totallen value may end up wrapping around to a small integer number which will be used in memory...