PHDays 11: towards the Independence Era

Hello everyone! In this episode, I want to talk about the Positive Hack Days 11 conference, which took place on May 18 and 19 in Moscow. As usual, I want to express my personal opinion about this event. Alternative video link for Russia: As I did last year, I want to start talking about this...

Rebasing tokens lock excess balance in contract

Lines of code Vulnerability details Rebasing tokens lock excess balance in contract If a vault is created with a rebasing ERC20 as its token, additional balance accrued through rebases while the token is owned by the vault may be locked in the contract. If the rebasing token balance decreases whi...

LPFarming, yVault and yVaultLPFarming contract white listing can be surpassed

Lines of code Vulnerability details Impact LPFarming, yVault and yVaultLPFarming contracts' white list checks are performed with isContract and can be surpassed. isContract can only be used for positive confirmations, i.e. filtering out EOAs. Setting high severity as it is a direct access control...

CVE-2022-27534

Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus databases released before 12 March 2022 had a bug in a data parsing module that potentially allowed an attacker to execute arbitrary code. The fix was delivered automatically. Credits: Georgy Zaytsev Positive...

Code injection

Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus databases released before 12 March 2022 had a bug in a data parsing module that potentially allowed an attacker to execute arbitrary code. The fix was delivered automatically. Credits: Georgy Zaytsev Positive...

CVE-2022-27534

Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus databases released before 12 March 2022 had a bug in a data parsing module that potentially allowed an attacker to execute arbitrary code. The fix was delivered automatically. Credits: Georgy Zaytsev Positive...

User will lose value on swap-and-bridge / multi-swap

Lines of code Vulnerability details Impact In a swap-and-bridge or multi-swap, user have to supply exact amount of input token for each step. Any positive slippage will be captured by the contract and any negative slippage will cause the swap to revert. This is a sub-optimial behavior as it will...

PT-2022-07: Insufficient authentication in Veeam Backup & Replication

The vulnerability was identified in Veeam Backup & Replication versions 9.5, 10, 11. The discovered vulnerability allows an attaker to authenticate using a NULL-session. This may lead to gaining control over the target system. Vulnerability status: Confirmed by vendor Date of vulnerability...

Virtuozzo Hybrid Infrastructure 5.0 Update 1 (5.0.1-42)

This update provides support for more guest operating systems, as well as bug fixes and improvements. Vulnerability id: VSTOR-50067 Fixed the false-positive alert "Swap space is used." Vulnerability id: VSTOR-51196 Fixed the false-positive alert "Disk may run out of space" that appears for a cach...

Authorization Bypass Through User-Controlled Key

Description Bypass https://hackerone.com/reports/496293 via \b backspace character. Proof of Concept const parse = require'./index.js' url = parse'\bhttp://google.com' console.logurl Result: slashes: false, protocol: '', hash: '', query: '', pathname: '\bhttp://google.com', auth: '', host: '',...

New Critical RCE Bug Found in Adobe Commerce, Magento

Yet another zero-day bug has been discovered in the Magento Open Source and Adobe Commerce platforms, while researchers have created a working proof-of-concept PoC exploit for the recently patched CVE-2022-24086 vulnerability that came under active attack and forced Adobe to push out an emergency...

Build a privacy-resilient workplace with Microsoft Priva

Today, we celebrate international Data Privacy Day. This day reminds us of the importance of respecting privacy, safeguarding data, and enabling trust. However, annual reminders are insufficient to drive material change, which can be seen in the effectiveness rates of one-off trainings. According...

Attacker can collect all positive rebase from the poll

Handle gzeon Vulnerability details Impact The concept of ElasticSwap is not to change relative price upon positive rebase event. However, this allow an attacker to sandwich a known positive rebase event for profit. Proof of Concept 1. Assuming we have pool with 10000 base and 10000 quote token 2...

Researchers Disclose Unpatched Vulnerabilities in Microsoft Teams Software

Microsoft said it won't be fixing or is pushing patches to a later date for three of the four security flaws uncovered in its Teams business communication platform earlier this March. The disclosure comes from Berlin-based cybersecurity firm Positive Security, which found that the implementation ...

PT-2021-11: Possibility to access file 00000001.SYP with file password mechanism enabled in the FX5U(C) CPU and FX5UJ CPU modules

The vulnerability of the FX5UC CPU and FX5UJ CPU modules of Mitsubishi Electric FA products is associated with the storage of sensitive information in open form. Exploiting the vulnerability may allow an attacker, provided that the file password mechanism is enabled, to gain access to file...

PT-2021-15: Denial of Service when Processing File with Incorrect Header Content in FX5U(C) CPU and FX5UJ CPU modules

The vulnerability of the FX5UC CPU and FX5UJ CPU modules of Mitsubishi Electric FA products is associated with processing file with incorrect header content. Exploitation of the vulnerability allows an attacker to implement a Denial of Service when creating a file with a nonstandard structure and...

PT-2021-13: Access to sensitive PLC information in FX5U(C) CPU and FX5UJ CPU modules

The vulnerability of the FX5UC CPU and FX5UJ CPU modules of Mitsubishi Electric FA products is associated with the possibility of access to sensitive PLC information. Exploiting the vulnerability may allow an attacker who has access to the project file to obtain the values of the parameters of th...

How Extended Security Posture Management Optimizes Your Security Stack

As a CISO, one of the most challenging questions to answer is "How well are we protected right now?" Between the acceleration of hackers' offensive capabilities and the dynamic nature of information networks, a drift in the security posture is unavoidable and needs to be continuously compensated...

CVE-2021-41215

TensorFlow is an open source platform for machine learning. In affected versions the shape inference code for DeserializeSparse can trigger a null pointer dereference. This is because the shape inference function assumes that the serializesparse tensor is a tensor with positive rank and having 3 ...

Google TensorFlow 数字错误漏洞

Google TensorFlow is a suite of end-to-end open source platforms for machine learning from Google USA. Google TensorFlow suffers from a numeric error vulnerability that stems from TensorFlow's implementation of pooling operations in which values in a sliding window are not rigorously checked for...