CVE-2021-33484

An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. An attacker can download a copy of the installer, decompile it, and discover a hardcoded IV used to encrypt the username and userid in the comment POST request. Additionally, the attacker can decrypt the encrypted...

GitHub Security Lab: Java: Static initialization vector

This bug was reported directly to GitHub Security Lab...

in leantime/leantime

✍️ Description In the source code of the application, the Secret Hash value and the initialization vector is being hardcoded. 🕵️‍♂️ Proof of Concept In the following code snippet, we can see the hard-coded secret hash and IV. private $encryptionMethod = 'AES-256-CBC'; private $secrethash =...

CyberArk Credential File Insufficient Effective Key Space

Vulnerability Details Affected Vendor: CyberArk Affected Product: Application Access Manager/Credential Provider Affected Version: Prior to 12.1 Platform: Linux/Windows/zOS CWE Classification: CWE-326: Inadequate Encryption Strength CVE ID: CVE-2021-31796 2. Vulnerability Description CyberArk...

CVE-2021-32791

modauthopenidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In modauthopenidc before version 2.4.9, the AES GCM encryption in modauthopenidc uses a static IV and...

Low: samba

Issue Overview: No CVE associated with this advisory Affected Packages: samba Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue Correction: Run yum update samba or yum update...

PT-2021-6452

Name of the Vulnerable Software and Affected Versions mod auth openidc versions prior to 2.4.9 Description The issue is related to the AES GCM encryption in mod auth openidc, which uses a static IV and AAD. This creates a static nonce and can lead to known cryptographic issues since the same key ...

samba: Netlogon elevation of privilege vulnerability (Zerologon)

A flaw was found in the Microsoft Windows Netlogon Remote Protocol MS-NRPC, where it reuses a known, static, zero-value initialization vector IV in AES-CFB8 mode. This flaw allows an unauthenticated attacker to impersonate a domain-joined computer, including a domain controller, and possibly obta...

samba: Netlogon elevation of privilege vulnerability (Zerologon)

A flaw was found in the Microsoft Windows Netlogon Remote Protocol MS-NRPC, where it reuses a known, static, zero-value initialization vector IV in AES-CFB8 mode. This flaw allows an unauthenticated attacker to impersonate a domain-joined computer, including a domain controller, and possibly obta...

DEBIAN-CVE-2021-3446

A flaw was found in libtpms in versions before 0.8.2. The commonly used integration of libtpms with OpenSSL contained a vulnerability related to the returned IV initialization vector when certain symmetric ciphers were used. Instead of returning the last IV it returned the initial IV to the calle...

UBUNTU-CVE-2021-3446

A flaw was found in libtpms in versions before 0.8.2. The commonly used integration of libtpms with OpenSSL contained a vulnerability related to the returned IV initialization vector when certain symmetric ciphers were used. Instead of returning the last IV it returned the initial IV to the calle...

Arch Linux libtpms 安全特征问题漏洞

Arch Linux libtpms is a US Arch Linux open source application. A library that provides software emulation of Trusted Platform Modules TPM 1.2 and TPM 2.0. Arch Linux libtpms 0.8.2 suffers from a security signature issue vulnerability that stems from not returning the last initialization vector, b...

OESA-2021-1065 php security update

PHP is an HTML-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated web pages. PHP also offers built-in database integration for several commercial and non-commercial database management systems, so writing a database-enabled webpage with PHP is...

The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.

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CVE-2020-1472

A flaw was found in the Microsoft Windows Netlogon Remote Protocol MS-NRPC, where it reuses a known, static, zero-value initialization vector IV in AES-CFB8 mode. This flaw allows an unauthenticated attacker to impersonate a domain-joined computer, including a domain controller, and possibly obta...

Hardcoded Initialization Vector in parsel

All versions of parsel have a default hardcoded initialization vector. In cases where the IV is not provided, the package defaults to a hardcoded IV which renders the cipher vulnerable to chosen plaintext attacks. Recommendation The package is deprecated and will not be updated. Consider using an...

GHSA-2PPP-9496-P23Q Insufficient Entropy in Spring Security

Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has...

CVE-2020-5408

Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has...

CVE-2020-5408

CVE-2020-5408 (IBM) affects IBM Sterling Connect:Direct Web Services. A fixed null initialization vector in CBC mode for the queryable text encryptor may allow a dictionary attack to derive unencrypted values, exposing sensitive information. Remediation is via upgrading to supported fixes: IBM St...

Dictionary attack with Spring Security queryable text encryptor

Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has...