devices resource list treated as a blacklist by default

Impact Contrary to the OCI runtime specification, runc's implementation of the linux.resources.devices list was a black-list by default. This means that users who created their own config.json objects and didn't prefix a deny-all rule "allow": false, "permissions": "rwm" or equivalent were not...

GHSA-G54H-M393-CPWQ devices resource list treated as a blacklist by default

Impact Contrary to the OCI runtime specification, runc's implementation of the linux.resources.devices list was a black-list by default. This means that users who created their own config.json objects and didn't prefix a deny-all rule "allow": false, "permissions": "rwm" or equivalent were not...

AZL-6682 CVE-2021-43784 affecting package moby-runc for versions less than 1.1.0-1

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc, netlink is used internally as a serialization system for specifying the relevant container configuration to the C portion of the code responsible for the based namespace setup of container...

UBUNTU-CVE-2021-43784

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc, netlink is used internally as a serialization system for specifying the relevant container configuration to the C portion of the code responsible for the based namespace setup of container...

Ubuntu Overlayfs Local Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule '2021 Ubuntu Overlayfs LPE', 'Description' = %q This module exploits a vulnerability in Ubuntu's implementation of overlayfs. The vulnerability is...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

This is a PoC exploit for CVE-2021-3493, a local privilege escalation vulnerability in Ubuntu OverlayFS. The exploit targets Ubuntu versions 20.10, 20.04 LTS, 19.04, 18.04 LTS, 16.04 LTS, and 14.04 ESM. The vulnerability arises from a Linux kernel issue where it did not properly validate the...

Exploit for Out-of-bounds Write in Linux Linux_Kernel

PoC exploit for CVE-2021-22555, a heap out-of-bounds write affecting Linux since v2.6.19-rc1. The exploit allows an attacker to gain privileges or cause a DoS through user namespace memory corruption. The target is Linux, and the vulnerability class is heap out-of-bounds write. The probable entry...

Consul Enterprise Namespace Default ACLs Allow Privilege Escalation

Summary A vulnerability was identified in Consul Enterprise such that an ACL token with the default operator:write permissions in one namespace may be used to escalate privileges into any other permissions across all namespaces. This vulnerability, CVE-2021-41805, was fixed in Consul Enterprise...

CVE-2021-3948

An incorrect default permissions vulnerability was found in the mig-controller. Due to an incorrect cluster namespaces handling an attacker may be able to migrate a malicious workload to the target cluster, impacting confidentiality, integrity, and availability of the services located on that...

Kubernetes Enumeration

Enumerate a Kubernetes API to report useful resources such as available namespaces, pods, secrets, etc. Useful resources will be highlighted using the HIGHLIGHTNAMEPATTERN option. Module Options msf use auxiliary/cloud/kubernetes/enumkubernetes msf auxiliaryenumkubernetes show actions ...actions...

kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c

A flaw was discovered in processing setsockopt IPTSOSETREPLACE or IP6TSOSETREPLACE for 32 bit processes on 64 bit systems. This flaw will allow local user to gain privileges or cause a DoS through user name space. This action is usually restricted to root-privileged users but can also be leverage...

CVE-2021-22262

Missing access control in all GitLab versions starting from 13.12 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 with Jira Cloud integration enabled allows Jira users without administrative privileges to add and remove Jira Connect...

UBUNTU-CVE-2021-22262

Missing access control in all GitLab versions starting from 13.12 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 with Jira Cloud integration enabled allows Jira users without administrative privileges to add and remove Jira Connect...

kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c

A flaw was discovered in processing setsockopt IPTSOSETREPLACE or IP6TSOSETREPLACE for 32 bit processes on 64 bit systems. This flaw will allow local user to gain privileges or cause a DoS through user name space. This action is usually restricted to root-privileged users but can also be leverage...

PT-2021-14923 · Gitlab · Gitlab

Name of the Vulnerable Software and Affected Versions: GitLab versions 13.12 through 14.0.8 GitLab versions 14.1 through 14.1.3 GitLab versions 14.2 through 14.2.1 Description: The issue concerns missing access control in GitLab with Jira Cloud integration enabled, allowing Jira users without...

The vulnerability of the overlayfs component in the Linux operating system’s kernel allows for insecure privilege management. This enables attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the overlayfs component in the Linux operating system’s kernel involves ignoring user name spaces when configuring file permissions in the underlying file system. Exploiting this vulnerability allows an attacker to gain access to confidential data, compromise its integrity, a...

kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c

A flaw was discovered in processing setsockopt IPTSOSETREPLACE or IP6TSOSETREPLACE for 32 bit processes on 64 bit systems. This flaw will allow local user to gain privileges or cause a DoS through user name space. This action is usually restricted to root-privileged users but can also be leverage...

kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c

A flaw was discovered in processing setsockopt IPTSOSETREPLACE or IP6TSOSETREPLACE for 32 bit processes on 64 bit systems. This flaw will allow local user to gain privileges or cause a DoS through user name space. This action is usually restricted to root-privileged users but can also be leverage...

PT-2021-6871 · Linux +10 · Linux Kernel +10

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a lack of authentication procedure in the Linux kernel, specifically in the control groups and namespaces subsystem. This allows an unprivileged user to write t...

CVE-2021-3715

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. T...