Intellexa and Cytrox: From fixer-upper to Intel Agency-grade spyware

By Mike Gentile, Asheer Malhotra and Vitor Ventura. Editors note: This blog post is a public version of a talk presented at LabsCon 2023 on Sept. 22, 2023. You can watch a recording of the talk here. Some of the intelligence presented at LabsCon was later confirmed by an Amnesty International blo...

Incorrectly set totalVotingPower can allow users to pass arbitrary Proposals and steal all the parties NFTs

Lines of code Vulnerability details Bug Description The recent implementation update empowers the authority to decrease the totalVotingPower arbitrarily using the decreaseTotalVotingPower function. This authority-exclusive function allows the reduction of totalVotingPower by a specified amount. O...

[M-02] BondingVotes.getPastVotes(): User can easily manipulate voting power for round

Lines of code Vulnerability details Impact User can take a collaterized loan of LPT and bond for a single round to gain voting power for a single round and vote on proposals. This is because when voting, only the single round is checked when retrieving the voting power via...

High - TemporalGovernor.sol - Malicious Governance Propsoals can interact with Metamorphic Contracts resulting in Business Critical Risk to the Protocol

Lines of code Vulnerability details High - TemporalGovernor.sol - Malicious Governance Propsoals can interact with Metamorphic Contracts resulting in Business Critical Risk to the Protocol Impact Due to the permisionless governance execution method, with no ascribed or implemented security...

Insecure minimum threshold in _rotateSigners function

Lines of code Vulnerability details Impact Insecure minimum threshold in rotateSigners function can cause execution of malicious multisig proposals with unexpected results. Proof of Concept The rotateSigners is the only function which can initialize multisig parameters. This function has zero che...

Cross Site Scripting (XSS)

Decidim is vulnerable to Cross Site Scripting XSS vulnerability. The vulnerability is due to not sanitising user input correctly while processing proposals leading to attacker make other users endorse or support proposals they have no intention of supporting or endorsing...

Same proposer can make duplicate proposals

Lines of code Vulnerability details Impact A proposer can continuously create new proposals, even if they are redundant or unnecessary. This can overload the system and make it difficult for other participants to navigate through legitimate proposals. Proof of Concept In the propose function, the...

Malicious user may force gas limit error on created proposals

Lines of code Vulnerability details Impact User can create a proposal with arbitrary long array of targets. Function cancel iterates over those targets. Since this array may be long - the risk of out-of-gas error may occur - making the contract to be unable to cancel the proposal as cancel would...

Votes can be cast even if the proposal state is not "Active"

Lines of code Vulnerability details Impact Votes can be cast on proposals that are not currently open for voting, which can lead to unexpected behavior and potential manipulation of the voting process. By allowing votes to be cast on inactive proposals, it undermines the intended functionality of...

Cross site scripting

Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The external link feature is susceptible to cross-site scripting. This allows a remote attacker to execute JavaScript code in...

CVE-2023-34089 Decidim Cross-site Scripting vulnerability in the processes filter

Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The processes filter feature is susceptible to Cross-site scripting. This allows a remote attacker to execute JavaScript code ...

It is not possible to create or execute new extraordinary proposals after 10 funded Extraordinary Proposals

Lines of code Vulnerability details Impact With each executed offer, the value of getMinimumThresholdPercentage increases, resulting in the fact that when trying to create a new proposal or execute existing, getMinimumThresholdPercentage exceeds 1e18 and we catch an underflow error via...

Standard voting favors proposals which ask for lower GBC

Lines of code Vulnerability details Impact Proposals which ask for higher % of the GBC have a serious disadvantage. Proof of Concept For simplicity, let's say there are only 3 projects in the screening stage. Project A asks for 90% GBC and projects B and C ask for 40% GBC each. Therefore, project...

There can be a maximum of 11 proposals

Lines of code Vulnerability details Impact Overflow Proof of Concept The proposeExtraordinary function restricts that the result of the getMinimumThresholdPercentage function must be less than or equal to 1018. The maximum length of the fundedExtraordinaryProposals array is 10, but there is no...

Make proposals fail, no-revert on error, loss of funds

Lines of code Vulnerability details Impact The issue exists because anyone can call executein the multisig contract with will execute the proposal in the DAO contract. The problem here is that certain proposal will not revert when they fail because they have the uint256 allowFailureMap param set ...

SUSE CVE-2008-3651

Memory leak in racoon/proposal.c in the racoon daemon in ipsec-tools before 0.7.1 allows remote authenticated users to cause a denial of service memory consumption via invalid proposals...

Name Field and all other required Fields Bypass while doing FAQ Proposals

Dear Ladies and Gentlemen, I was able to identify in the Process of sending a FAQ Proposal a Username and all other required Fields Bypass Vulnerability. The Attacker can bypass all the required fields by sending a space at any required field like name, text, answer or question which is a require...

Unckecked rank size in `tf.image.generate_bounding_box_proposals` in Tensorflow

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Join us at InfoSec Jupyterthon 2022

Notebooks are gaining popularity in InfoSec. Used interactively for investigations and hunting or as scheduled processing jobs, notebooks offer plenty of advantages over traditional security operations center SOC tools. Sitting somewhere between scripting/macros and a full-blown development...

GHSA-6X99-GV2V-Q76V FPE in `tf.image.generate_bounding_box_proposals`

Impact When running on GPU, tf.image.generateboundingboxproposals receives a scores input that must be of rank 4 but is not checked. python import tensorflow as tf a = tf.constantvalue=1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 b = tf.constantvalue=1...