How To: Nitro API Authentication for RADIUS Access-Challenge Response

When NITRO API is used to manage or get information from a NetScaler, a session must be authenticated first. Depending on the authentication factors configured for NetScaler Management, different NITRO API resources should be used. If one of the authentication factors used, responds with a...

CVE-2024-45368 AutomationDirect DirectLogic H2-DM1E Session Fixation

The H2-DM1E PLC's authentication protocol appears to utilize either a custom encoding scheme or a challenge-response protocol. However, there's an observed anomaly in the H2-DM1E PLC's protocol execution, namely its acceptance of multiple distinct packets as valid authentication responses. This...

CVE-2024-45368

CVE-2024-45368 affects AutomationDirect DirectLogic H2-DM1E PLC (versions 2.8.0 and earlier). The vulnerability stems from an authentication protocol that may accept multiple distinct packets as valid responses, enabling potential session hijacking or bypass. Reports cite session fixation and aut...

security/openvpn-auth-ldap -- Fix buffer overflow in challenge/response

Graham Northup reports: A buffer overflow in extractopenvpncr allows attackers with a valid LDAP username and who can control the challenge/response password field to pass a string with more than 14 colons into this field and cause a buffer overflow...

Warning: Thread Hijacking Attack Targets IT Networks, Stealing NTLM Hashes

The threat actor known as TA577 has been observed using ZIP archive attachments in phishing emails with an aim to steal NT LAN Manager NTLM hashes. The new attack chain "can be used for sensitive information gathering purposes and to enable follow-on activity," enterprise security firm Proofpoint...

CVE-2023-49944

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...

CVE-2023-49944

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...

CVE-2023-49944

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...

Design/Logic Flaw

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...

PT-2023-31416 · Beyondtrust · Beyondtrust Privilege Management For Windows

Name of the Vulnerable Software and Affected Versions: BeyondTrust Privilege Management for Windows versions prior to 2023-07-14 Description: The Challenge Response feature allows local administrators to bypass it by decrypting the shared key or locating the decrypted shared key in process memory...

Fedora 38 : keylime (2023-ed9922536e)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-ed9922536e advisory. Backport upstream fixes - Fixes: CVE-2023-38200 - Fixes: CVE-2023-38201 Tenable has extracted the preceding description block directly from the Fedo...

AlmaLinux 9 : keylime (ALSA-2023:5080)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:5080 advisory. - A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections...

Oracle Linux 9 : keylime (ELSA-2023-5080)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5080 advisory. - Fix registrar is subject to a DoS against SSL CVE-2023-38200 Resolves: rhbz2222694 Tenable has extracted the preceding description block directly fro...

Keylime: challenge-response protocol bypass during agent registration

A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimat...

Moderate: Red Hat Security Advisory: keylime security update

An update for keylime is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Moderate: keylime security update

Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution. Security Fixes: keylime: registrar is subject to a DoS against SSL connections CVE-2023-38200 Keylime: challenge-response protocol bypass during agent registration CVE-2023-38201 For more...

RHEL 9 : keylime (RHSA-2023:5080)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5080 advisory. Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution. Security Fixes: keylime: registra...

ALSA-2023:5080 Moderate: keylime security update

Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution. Security Fixes: keylime: registrar is subject to a DoS against SSL connections CVE-2023-38200 Keylime: challenge-response protocol bypass during agent registration CVE-2023-38201 For more...

Authorization Bypass

Keylime is vulnerable to an attack which allows an attacker to Bypass the Challenge-Response Protocol during agent registration. The vulnerability occurs due to the registrar disclosing the correct "authtag" in the error message. This could allow an attacker to simply record the correct expected...

GHSA-F4R5-Q63F-GCWW Keylime registrar and (untrusted) Agent can be bypassed by an attacker

Impact A security issue was found in the Keylime registrar code which allows an attacker to effectively bypass the challenge-response protocol used to verify that an agent has indeed access to an AIK which in indeed related to the EK. When an agent starts up, it will contact a registrar and provi...