gssapi-abuse

gssapi-abuse gssapi-abuse fue lanzado como parte de mi charla en DEF CON 31. Un artículo completo sobre el vector de abuso se puede encontrar aquí: A Broken Marriage: Abusing Mixed Vendor Kerberos Stacks La herramienta tiene dos funciones. La primera es la capacidad de enumerar hosts que no son...

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...

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...

Rocky Linux 8 [CIQ] Security Update: openssh / openssh-askpass / openssh-askpass-debuginfo / etc (crlsa-2026_6461)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20266461 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding description...

AlmaLinux 9.2 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.2:CLSA-2026:1777950533)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1777950533 advisory. - Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by...

openssh security update

9.9p1-12.0.1 - Restore pamsshagentrel values that were used for initial release - Fix PerSourcePenalties grace-exceeded using the crash penalty value Orabug: 39825354 - Replace unsupported ML-KEM hybrid algorithm skip logic with v9.9p1-23.el102 ML-KEM/NIST backport Orabug: 39423076 - Upstream...

Rocky Linux 9 [CIQ] Security Update: openssh / openssh-askpass / openssh-askpass-debuginfo / etc (crlsa-2026_6462)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20266462 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding description...

CentOS Linux 8 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc (CENTOS-STREAM8:CLSA-2026:1774369958)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1774369958 advisory. - Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added ...

CentOS Linux 7 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (CENTOS7:CLSA-2026:1783591320)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1783591320 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI...

AlmaLinux 9.2 [TuxCare] Security Update: libssh / libssh-config / libssh-devel (ALMALINUX9.2:CLSA-2026:1778082886)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778082886 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 be...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.2:CLSA-2026:1783522891)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783522891 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI...

CVE-2026-31635-DirtyDecrypt

CVE-2026-31635 · DirtyDecrypt Escalada de privilegios local en Linux en la ruta de descifrado RxRPC/GSSAPI. Una comprobación faltante de skbcowdata en rxgkdecryptskb permite que un atacante local sin privilegios corrompa páginas de la caché de páginas y sobrescriba el contenido en memoria de...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: git-lfs (UTSA-2026-124497)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124497 advisory. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory...

tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...

tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...