CVE-2023-42818 SSH public key login without private key challenge if mfa is enabled in jumpserver

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-42818

JumpServer (Koko SSH server) is affected: when MFA is enabled and a public key is used, the SSH private key is not verified, enabling brute-force attempts with a disclosed key. Patched in JumpServer versions 3.6.5 and 3.5.6; upgrade is advised. Multiple connected sources corroborate the issue and...

CVE-2023-42818 SSH public key login without private key challenge if mfa is enabled in jumpserver

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-43650 Non-MFA account takeover via brute-force attack on weak password reset code in jumpserver

JumpServer is an open source bastion host. The verification code for resetting user's password is vulnerable to brute-force attacks due to the absence of rate limiting. JumpServer provides a feature allowing users to reset forgotten passwords. Affected users are sent a 6-digit verification code,...

CVE-2023-43652 Non-MFA account takeover via using only SSH public key to login in jumpserver

JumpServer is an open source bastion host. As an unauthenticated user, it is possible to authenticate to the core API with a username and an SSH public key without needing a password or the corresponding SSH private key. An SSH public key should be considered public knowledge and should not used ...

CVE-2023-43652 Non-MFA account takeover via using only SSH public key to login in jumpserver

JumpServer is an open source bastion host. As an unauthenticated user, it is possible to authenticate to the core API with a username and an SSH public key without needing a password or the corresponding SSH private key. An SSH public key should be considered public knowledge and should not used ...

CVE-2023-42820

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

Design/Logic Flaw

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

CVE-2023-42820

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

CVE-2023-42820 Random seed leakage in Jumpserver

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

CVE-2023-42820 Random seed leakage in Jumpserver

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

CVE-2023-42820

JumpServer exposes the random number seed to its API, enabling replay of generated verification codes and potentially password resets. Affected versions include 2.28.19 and 3.6.5; upgrades to these versions are recommended. If MFA is enabled or if users are not using local authentication, they ar...

CVE-2023-42820 Random seed leakage in Jumpserver

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

#StopRansomware: Snatch Ransomware

Actions to take today to mitigate malicious cyber activity: 1. Secure and closely monitor Remote Desktop Protocol RDP. 2. Maintain offline backups of data. 3. Enable and enforce phishing-resistant multifactor authentication MFA...

Insecure Randomness

Overview Affected versions of this package are vulnerable to Insecure Randomness due to using an insecure random number generation library which could possibly be predicted via a brute-force search. Attackers could use the potentially predictable nonce value used for authentication purposes in th...

Think Your MFA and PAM Solutions Protect You? Think Again

When you roll out a security product, you assume it will fulfill its purpose. Unfortunately, however, this often turns out not to be the case. A new report, produced by Osterman Research and commissioned by Silverfort, reveals that MFA Multi-Factor Authentication and PAM Privileged Access...

CVE-2023-40060 2FA/MFA Bypass Vulnerability in Serv-U 15.4 and 15.4 Hotfix 1

A vulnerability has been identified within Serv-U 15.4 and 15.4 Hotfix 1 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action. 15.4. SolarWinds found that the issue was not completely...

CVE-2023-40060: Improper Access Control

A vulnerability has been identified within Serv-U 15.4 and 15.4 Hotfix 1 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action. 15.4. SolarWinds found that the issue was not completely...

W3LL Store: How a Secret Phishing Syndicate Targets 8,000+ Microsoft 365 Accounts

A previously undocumented "phishing empire" has been linked to cyber attacks aimed at compromising Microsoft 365 business email accounts over the past six years. "The threat actor created a hidden underground market, named W3LL Store, that served a closed community of at least 500 threat actors w...

Okta Warns of Social Engineering Attacks Targeting Super Administrator Privileges

Identity services provider Okta on Friday warned of social engineering attacks orchestrated by threat actors to obtain elevated administrator permissions. "In recent weeks, multiple US-based Okta customers have reported a consistent pattern of social engineering attacks against IT service desk...