Announcing the $12k NIST Elliptic Curves Seeds Bounty

The NIST elliptic curves that power much of modern cryptography were generated in the late '90s by hashing seeds provided by the NSA. How were the seeds generated? Rumor has it that they are in turn hashes of English sentences, but the person who picked them, Dr. Jerry Solinas, passed away in ear...

Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.04 : Exim vulnerabilities (USN-6411-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6411-1 advisory. It was discovered that Exim incorrectly handled certain challenge requests. A remote attacker could possibly...

Debian DSA-5512-1 : exim4 - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5512 advisory. Several vulnerabilities were discovered in Exim, a mail transport agent, which could result in remote code execution if the EXTERNAL or SPA/NTLM authenticato...

Lazarus Group Impersonates Recruiter from Meta to Target Spanish Aerospace Firm

The North Korea-linked Lazarus Group has been linked to a cyber espionage attack targeting an unnamed aerospace company in Spain in which employees of the firm were approached by the threat actor posing as a recruiter for Meta. "Employees of the targeted company were contacted by a fake recruiter...

SUSE CVE-2023-42116

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling o...

CVE-2023-42116

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling o...

UBUNTU-CVE-2023-42116

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling o...

UBUNTU-CVE-2023-42114

Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling o...

(0Day) Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validati...

(0Day) Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of th...

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...

keylime security update

6.5.2-6 - Fix registrar is subject to a DoS against SSL CVE-2023-38200 Resolves: rhbz2222694 - Fix challenge-protocol bypass during agent registration CVE-2023-38201 Resolves: rhbz2222695...

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...

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...

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...

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...

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...