gssapi-abuse

gssapi-abuse gssapi-abuse a été publié dans le cadre de ma présentation à DEF CON 31. Un article complet sur le vecteur d'abus est disponible ici : A Broken Marriage: Abusing Mixed Vendor Kerberos Stacks L'outil possède deux fonctionnalités. La première est la capacité d'énumérer les hôtes non...

pivotnacci

pivotnacci Pivot into the internal network by deploying HTTP agents. Pivotnacci allows you to create a socks server which communicates with HTTP agents. The architecture looks like the following: This tool was inspired by the great reGeorg. However, it includes some improvements: Support for...

CVE-2026-31635-DirtyDecrypt

CVE-2026-31635 · DirtyDecrypt Élévation de privilèges locale sous Linux dans le chemin de déchiffrement RxRPC/GSSAPI. Un contrôle manquant de skbcowdata dans rxgkdecryptskb permet à un attaquant local non privilégié de corrompre les pages du cache de pages et d'écraser le contenu en mémoire de...

CVE-2026-104039

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...

DEBIAN-CVE-2026-104039

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...

EUVD-2026-92909

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...

CVE-2026-104039 Sssd: sssd: denial of service via stale connection state reuse in pam gssapi responder

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...

CVE-2026-104039 Sssd: sssd: denial of service via stale connection state reuse in pam gssapi responder

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...

CVE-2026-104039

A flaw in SSSD allows a local user to cause a denial of service (DoS) by disrupting system authentication services. The issue occurs within the Pluggable Authentication Module (PAM) responder when handling GSSAPI authentication . Specifically, the cached connection state is freed upon completion ...

CVE-2026-104039

A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services Application Programming Interface GSSAPI authentication in the Pluggable Authentication Module PAM responder, cached connection state is...

Linux Distros Unpatched Vulnerability : CVE-2026-104039

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in SSSD. A local user can cause a denial of service DoS by disrupting system authentication services. When handling Generic Security Services...

Astra Linux – Vulnerability in Heimdal

The fix for CVE-2022-3437 involved changing the memcmp function to run in constant time, as well as providing a workaround for a compiler bug by adding comparisons of the result with the value “!= 0” to the memcmp function. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0...

openssh security update

9.9p1-28.0.1 - Upstream references found with /usr/bin/ssh Orabug: 37824421 9.9p1-28 - CVE-2026-60001: Fix cases in GSSAPI and keyboard-interactive authentication where the minimum per-attempt delay was not being enforced Resolves: RHEL-258463...

[SECURITY] Fedora 45 Update: gssntlmssp-1.3.2-2.fc45

A GSSAPI Mechanism that implements NTLMSSP...

CLEANSTART-2026-OZ83684 SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption

Security vulnerability affects the consul package. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption...

ROS-20261002-73-0097

The vulnerability of the GSSAPI component in the PostgreSQL database management system is related to the lack of integrity checks during the transmission of messages through the communication channel. Exploiting this vulnerability allows a malicious actor to carry out “man-in-the-middle” attacks...

ROS-20261002-73-0098

The vulnerability of the GSSAPI component in the PostgreSQL database management system is related to the lack of integrity checks during the transmission of messages through the communication channel. Exploiting this vulnerability allows a malicious actor to carry out “man-in-the-middle” attacks...

Multiple OpenSSH Vulnerabilities (CVE-2026-35386, CVE-2026-35414, CVE-2026-35387, CVE-2026-35388)

Brocade is issuing a security advisory regarding multiple security vulnerabilities discovered in OpenSSH. Vulnerability Details CVE-2026-35386: Remote Code Execution via Shell Metacharacters in Usernames Severity / CVSS v3 Base Score: High / 8.1 Common Weakness Enumeration: CWE-287 Improper...

Rocky Linux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (ALMALINUX9.6:CLSA-2026:1778490111)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778490111 advisory. - A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This can ...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1783356847)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783356847 advisory. - Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any...