Vulnerabilities fixed in BIND

The Internet Systems Consortium ISC has fixed vulnerabilities in BIND. An unauthenticated remote malicious person can exploit the exploit the vulnerabilities to perform a cache-poisoning attack or cause a denial-of-service. One of the fixed vulnerabilities has been given the attribute CVE-2022-06...

unbound: assertion failure and denial of service in synth_cname

A flaw was found in unbound. A reachable assertion in the synthcname function can be triggered by sending invalid packets to the server. If asserts are disabled during compilation, this issue might lead to an out-of-bounds write in dnamepktcopy function. The highest threat from this vulnerability...

Using single total native reserve variable for synth and non-synth reserves of VaderPoolV2 can lead to losses for synth holders

Handle hyh Vulnerability details Impact Users that mint synths do provide native assets, increasing native reserve pool, but do not get any liquidity shares issued. In the same time, an exit of non-synth liquidity provider yields releasing a proportion of all current reserves to him. Whenever an...

mintSynth() can transfer funds from an arbitrary address

Handle Critical Vulnerability details Impact Attackers can steal funds from users' balances for those who approved the VaderPoolV2 contract. Proof of Concept nativeAsset.safeTransferFromfrom, addressthis, nativeDeposit; VaderPoolV2.mintSynth allows anyone to transfer funds from an arbitrary addre...

Insufficient access control on VaderPoolV2.mintSynth allows theft of user funds

Handle TomFrenchBlockchain Vulnerability details Impact Loss of all USDV approved onto VaderPoolV2. Proof of Concept VaderPoolV2 allows minting of synth tokens with the mintSynth function This allows anyone to take USDV from the from address and mint synths to be sent to the to address. There is ...

Minting and burning synths exposes users to unlimited slippage

Handle TomFrenchBlockchain Vulnerability details Impact LPs remaining in VaderPool end up paying all transfer fees for LPs which leave the pool. Proof of Concept See VaderPoolV2.mintSynth: Here a user sends nativeDeposit to the pool and the equivalent amount of foreignAsset is minted as a synth t...

Mixing different types of LP shares can lead to losses for Synth holders

Handle hyh Vulnerability details Impact Users that mint Synths do not get pool shares, so exiting of normal LP can lead to their losses as no funds can be left for retrieval. Proof of Concept 3 types of mint/burn: NFT, Fungible and Synths. Synths are most vilnerable as they do not have share: LP...

Synth: cannot change approval once set to max value

Handle cmichel Vulnerability details The Synth.approve function performs a no-op if the allowance is currently set to typeuint256.max. This leads to the issue that approvals cannot be changed anymore once they are set to the max value. Impact Imagine someone approving an operator with the max val...

Synth: approveAndCall sets unnecessary approval

Handle cmichel Vulnerability details Vulnerability Details The Synth.approveAndCall function approves the recipient contract with the max value instead of only the required amount. Impact For safety, the approval should not be set to the max value, especially if the amount that the contract may u...

OSV-2021-899 Heap-buffer-overflow in synth_name_to_path

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35548 Crash type: Heap-buffer-overflow READ 8 Crash state: synthnametopath v9fsconametopath v9fscompleterename...

unbound: assertion failure and denial of service in synth_cname

A flaw was found in unbound. A reachable assertion in the synthcname function can be triggered by sending invalid packets to the server. If asserts are disabled during compilation, this issue might lead to an out-of-bounds write in dnamepktcopy function. The highest threat from this vulnerability...

Vault rewards can be gamed

Handle @cmichelio Vulnerability details Vulnerability Details The deposit function increases the member's weight by weight = iUTILSUTILS.calcValueInBaseiSYNTHsynth.TOKEN, amount; which is the swap output amount when trading the deposited underlying synth amount. Notice that anyone can create synt...

Swap value can be manipulated allowing under-collateralized loans

Handle @cmichelio Vulnerability details Vulnerability Details When borrowing with synths as collateral the synth collateral value in base tokens is computed as baseValue = calcSwapValueInBaseiSYNTHcollateralAsset.TOKEN, collateralAdjusted;, i.e., the result of a trade of the underlying token to...

DEBIAN-CVE-2019-25036

Unbound before 1.9.5 allows an assertion failure and denial of service in synthcname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited...

UBUNTU-CVE-2019-25036

Unbound before 1.9.5 allows an assertion failure and denial of service in synthcname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited...

Incorrect operator used in deploySynth() of Pools.sol

Handle 0xRajeev Vulnerability details Impact The deploySynth function in Pools.sol is expected to perform a check on the token parameter to determine that it is neither VADER or USDV before calling Factory’s deploySynth function. However, the require incorrectly uses ‘||’ operator instead of ‘&&’...

NLnet Labs Unbound 安全漏洞

Unbound is a DNS resolver that supports validation, recursion, and caching features. An assertion failure vulnerability exists in synthcname in versions of Unbound prior to 1.9.5. An attacker could exploit this vulnerability to cause a denial of service...

PT-2019-6140 · Nlnet +8 · Unbound +8

Name of the Vulnerable Software and Affected Versions: Unbound versions prior to 1.9.5 Description: The issue is related to the synth cname function in the Unbound DNS server, which may lead to an assertion failure and denial of service. However, the vendor disputes that this is a vulnerability,...

UBUNTU-CVE-2019-14441

DISPUTED An issue was discovered in Libav 12.3. An access violation allows remote attackers to cause a denial of service application crash, as demonstrated by avconv. This is related to ffmpasynthfilterfloat in avcodec/mpegaudiodsptemplate.c. NOTE: This may be a duplicate of CVE-2018-19129...

PT-2019-13695 · FFmpeg · Libav

Name of the Vulnerable Software and Affected Versions: Libav version 12.3 Description: An issue in Libav allows remote attackers to cause a denial of service, resulting in an application crash. This issue is related to the ff mpa synth filter float function in avcodec/mpegaudiodsp template.c...