Tenacity 2.0 – Emulating Threat groups

Introduction The previous article: Tenacity – An Adversary Emulation Tool for Persistence, walked us through the working of Tenacity, techniques it supports, and how it can help organizations and individuals to validate the risk posture. As with the second installment of the series, this post wil...

LinuxCatScale - Incident Response Collection And Processing Scripts With Automated Reporting Scripts

Linux CatScale is a bash script that uses live of the land tools to collect extensive data from Linux based hosts. The data aims to help DFIR professionals triage and scope incidents. An Elk Stack instance also is configured to consume the output and assist the analysis process. Usage This script...

Ransomware in the CIS

Introduction These days, when speaking of cyberthreats, most people have in mind ransomware, specifically cryptomalware. In 2020–2021, with the outbreak of the pandemic and the emergence of several major cybercriminal groups Maze, REvil, Conti, DarkSide, Avaddon, an entire criminal ecosystem took...

CVE-2021-39884

In all versions of GitLab EE since version 8.13, an endpoint discloses names of private groups that have access to a project to low privileged users that are part of that project...

CVE-2021-39884

In all versions of GitLab EE since version 8.13, an endpoint discloses names of private groups that have access to a project to low privileged users that are part of that project...

CVE-2021-39875

In all versions of GitLab CE/EE since version 13.6, it is possible to see pending invitations of any public group or public project by visiting an API endpoint...

UBUNTU-CVE-2021-39875

In all versions of GitLab CE/EE since version 13.6, it is possible to see pending invitations of any public group or public project by visiting an API endpoint...

CVE-2021-39884

In all versions of GitLab EE since version 8.13, an endpoint discloses names of private groups that have access to a project to low privileged users that are part of that project...

PT-2021-22722 · Gitlab · Gitlab Ce/Ee +1

Name of the Vulnerable Software and Affected Versions: GitLab CE/EE versions 13.6 and later Description: The issue allows an attacker to see pending invitations of any public group or public project by visiting a specific "API endpoint". Recommendations: For GitLab CE/EE versions 13.6 and later,...

Cross-Site Request Forgery (CSRF) in collectiveaccess/pawtucket2

Description After taking a look at the application again, I found few more create / update endpoints which should have CSRF protection Proof of Concept http://PAWTUCKET-URL/pawtucket/index.php/Lightbox/saveUserGroup?name=123&description=abc&groupid=...

sshd in OpenSSH 6.2 through 8.x before 8.8 when certain non-default configurations are used allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process if the configuration specifies running the command as a different user.

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GitLab 信息泄露漏洞

GitLab is a Ruby on Rails-developed, self-hosted, Git version control system project repository application from the American company GitLab. The program can be used to access a project's file contents, commit history, bug lists, and more. An information disclosure vulnerability exists in GitLab...

Military’s RFID Tracking of Guns May Endanger Troops

Reports that the military has started outfitting firearms with RFID tags for tracking have raised security alarms. The concern: What if the enemy uses the tags to track soldiers on the battlefield? The Department of Defense, the Marines and the Navy have already rejected the RFID tagging tech for...

CVE-2020-18685

Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of unchecked prerequisites related to TCP or UDP ports, or group or table IDs...

Floodlight 输入验证错误漏洞

Floodlight is a leading open source OpenFlow controller. An input validation error vulnerability exists in Floodlight version 1.2, which stems from the software having poor input validation in the checkFlow in StaticFlowEntryPusherResource.java, as there is no checking of prerequisites related to...

RUSTSEC-2021-0119 Out-of-bounds write in nix::unistd::getgrouplist

On certain platforms, if a user has more than 16 groups, the nix::unistd::getgrouplist function will call the libc getgrouplist function with a length parameter greater than the size of the buffer it provides, resulting in an out-of-bounds write and memory corruption. The libc getgrouplist functi...

Out-of-bounds write in nix::unistd::getgrouplist

On certain platforms, if a user has more than 16 groups, the nix::unistd::getgrouplist function will call the libc getgrouplist function with a length parameter greater than the size of the buffer it provides, resulting in an out-of-bounds write and memory corruption. The libc getgrouplist functi...

PT-2021-24281 · Nix +1 · Nix +1

Name of the Vulnerable Software and Affected Versions: nix crate versions 0.16.0 through 0.20.1 nix crate versions 0.21.x before 0.21.2 nix crate versions 0.22.x before 0.22.2 Description: An issue was discovered in the nix crate where the nix::unistd::getgrouplist function can call the libc...

PT-2021-7117 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free read flaw was found in the sock getsockopt function in net/core/sock.c due to a race condition with listen and connect when using SO PEERCRED and SO PEERGROUPS. This...

CVE-2021-41617

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with...