CrossDomainMessenger relayMessage Vulnerability

Lines of code Vulnerability details Impact The vulnerability allows an attacker to manipulate the sender address sender parameter when relaying a message from Layer 2 L2 to Layer 1 L1 in a cross-domain scenario. The issue arises due to the use of the L2CrossDomainMessenger contract address...

EulerOS 2.0 SP11 : kernel (EulerOS-SA-2023-1759)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - In TBD of TBD, there is a possible way to corrupt kernel memory due to a use after free. This could lead to local escalation of privilege with n...

Ubuntu 20.04 LTS : Linux kernel (BlueField) vulnerabilities (USN-6020-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6020-1 advisory. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-5985-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5985-1 advisory. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use...

Upgraded Q -> 2 from #215 [1679863603573]

Judge has assessed an item in Issue 215 as 2 risk. The relevant finding follows: L1 + L2 --- The text was updated successfully, but these errors were encountered: All reactions...

Division before multiply results in precision loss

Lines of code Vulnerability details Impact Precision loss occurs when division is carried out before multiplication, that can affect gas calculation in terms of publishing the data to L1. Proof of Concept Tools Used Manual Review Recommended Mitigation Steps Recommendation is made for avoiding...

[bootloader] A bytecode hash without the bytecode (preimage) can be marked as known, breaking the prover

Lines of code Vulnerability details This is a report of a finding in bootloader.yul. While the file is out of scope of the contest, the sponsor stated that they would still accept findings in the file and would judge them separately from the contest. Impact A bytecode hash for which the bytecode...

Users pay excessive gas cost for sending bytecode hashes to L1

Lines of code Vulnerability details Impact When deploying new contracts, users are forced to pay more gas than is required to publish the bytecode hash to the L1. Proof of Concept When users deploy new smart contracts, the protocol marks the hashes of the bytecodes of the contracts as known and...

Sending L2 ---> L1 message without paying gas for published data due to uint256 overflow

Lines of code Vulnerability details Impact Due to this bug, a user can send arbitrarily long messages greater than a certain length from L2 to L1 without paying for the gas that is required for publishing data on L1. Proof of Concept Below is a PoC contract called "Test" that illustrates the bug...

Possible loss of funds when withdrawing from L2 to L1

Lines of code Vulnerability details Impact Context To initiate a withdrawal from L2 to L1, a user can call L2EthToken.withdraw method, then funds will be available to calim on L1 via finalizeEthWithdrawal method of MailboxFacet. function withdrawaddress l1Receiver external payable override The...

The vulnerability of the lform/net_diagnose component of Delta Electronics’ DX-2100-L1-CN microprogramming system allows a hacker to execute arbitrary commands.

The vulnerability of the lform/netdiagnose component of Delta Electronics’ DX-2100-L1-CN router software exists due to the lack of measures taken to neutralize the special elements used in the operating system commands. Exploiting this vulnerability allows a remote attacker to execute arbitrary...

The vulnerability of the web configuration service of Delta Electronics DX-2100-L1-CN microprogrammed router software allows a hacker to execute arbitrary code.

The vulnerability of the web configuration service of Delta Electronics DX-2100-L1-CN microprogrammed router software exists due to the lack of measures taken to protect the web page structure. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

K11546763: Linux kernel vulnerability CVE-2021-3653

Security Advisory Description A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this...

K95275140: OS Kernel and SMM mode L1 Terminal Fault vulnerability CVE-2018-3620

Security Advisory Description Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis...

K31300402: Virtual Machine Manager L1 Terminal Fault vulnerability CVE-2018-3646

Security Advisory Description Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a...

K80212034: Linux kernel vulnerability CVE-2021-3656

Security Advisory Description A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this...

SUSE CVE-2014-0143

Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service crash via a crafted catalog size in 1 the parallelsopen function in block/parallels.c or 2 bochsopen function in bochs.c, a large L1 table in the 3 qcow2snapshotloadtmp i...

SUSE CVE-2018-3615

Systems with microprocessors utilizing speculative execution and Intel software guard extensions Intel SGX may allow unauthorized disclosure of information residing in the L1 data cache from an enclave to an attacker with local user access via a side-channel analysis...

SUSE CVE-2020-4788

IBM Power9 AIX 7.1, 7.2, and VIOS 3.1 processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296...

SUSE CVE-2020-8315

In Python CPython 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1, an insecure dependency load upon launch on Windows 7 may result in an attacker's copy of api-ms-win-core-path-l1-1-0.dll being loaded and used instead of the system's copy. Windows 8 and later are unaffected...