Sanitizer Bypass

Overview enshrined/svg-sanitize is a SVG sanitizer for PHP Affected versions of this package are vulnerable to Sanitizer Bypass. It is possible to bypass enshrined\svgSanitize\Sanitizer using the xlink:href attribute due to mishandling of the xlink namespace. PoC by Snyk Security Team XSS Details...

PT-2019-4864

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 68.4 Firefox versions prior to 72 Description The issue arises when pasting a tag from the clipboard into a rich text editor, causing the CSS sanitizer to incorrectly rewrite a @namespace rule. This could lead to...

Ubuntu 19.10 - ubuntu-aufs-modified mmap_region() Breaks Refcounting in overlayfs/shiftfs Error Path

Tested on 19.10. Ubuntu's aufs kernel patch includes the following change which I interestingly can't see in the AUFS code at https://github.com/sfjro/aufs5-linux/blob/master/mm/mmap.c: ================================================================== +define vmafputvma vmadofputvma, func, LINE...

Ubuntu shiftfs refcount Underflow / Type Confusion

Ubuntu: refcount underflow and type confusion in shiftfs Tested on Ubuntu 19.10, kernel "5.3.0-19-generic 20-Ubuntu". Ubuntu ships a filesystem "shiftfs" in fs/shiftfs.c in the kernel tree that doesn't exist upstream. This filesystem can be mounted from user namespaces, meaning that this is...

UBUNTU-CVE-2019-15793

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, several locations which shift ids translate user/group ids before performing operations in the lower filesystem were translating them into inituserns, whereas they should have been translated in...

Ubuntu ubuntu-aufs-modified mmap_region() Refcounting Issue

Ubuntu: ubuntu-aufs-modified mmapregion breaks refcounting in overlayfs/shiftfs error path Tested on 19.10. Ubuntu's aufs kernel patch includes the following change which I interestingly can't see in the AUFS code at https://github.com/sfjro/aufs5-linux/blob/master/mm/mmap.c:...

kernel: nfs: use-after-free in svc_process_common()

A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bcsvcprocess use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and ...

kubernetes: API server allows access to cluster-scoped custom resources as if resources were namespaced

The Kubernetes kube-apiserver mistakenly allows access to a cluster-scoped custom resource if the request is made as if the resource were namespaced. Authorizations for the resource accessed in this manner are enforced using roles and role bindings within the namespace, meaning that a user with...

Cisco IOS XE Software IOx Guest Shell Namespace Protection Vulnerability (cisco-sa-20190925-iox-gs)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability in the filesystem which allows an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient fil...

CVE-2019-6467

A programming error in the nxdomain-redirect feature can cause an assertion failure in query.c if the alternate namespace used by nxdomain-redirect is a descendant of a zone that is served locally. The most likely scenario where this might occur is if the server, in addition to performing NXDOMAI...

CVE-2019-6467

A programming error in the nxdomain-redirect feature can cause an assertion failure in query.c if the alternate namespace used by nxdomain-redirect is a descendant of a zone that is served locally. The most likely scenario where this might occur is if the server, in addition to performing NXDOMAI...

OPENSUSE-SU-2019:2288-1 Security update for singularity

This update for singularity fixes the following issues: singularity was updated to version 3.4.1: This point release addresses the following issues: - Fixes an issue where a PID namespace was always being used - Fixes compilation on non 64-bit architectures - Allows fakeroot builds for zypper,...

Security update for singularity (moderate)

openSUSE Security Update: Security update for singularity Announcement ID: openSUSE-SU-2019:2288-1 Rating: moderate References: 1125369 1128598 Cross-References: CVE-2019-11328 Affected Products: openSUSE Backports SLE-15-SP1 openSUSE Backports SLE-15 An update that solves one vulnerability and h...

CVE-2019-12674

Multiple vulnerabilities in the multi-instance feature of Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to escape the container for their FTD instance and execute commands with root privileges in the host namespace. These vulnerabilities are due to...

CVE-2019-12675

Multiple vulnerabilities in the multi-instance feature of Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to escape the container for their FTD instance and execute commands with root privileges in the host namespace. These vulnerabilities are due to...

Design/Logic Flaw

Multiple vulnerabilities in the multi-instance feature of Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to escape the container for their FTD instance and execute commands with root privileges in the host namespace. These vulnerabilities are due to...

CVE-2019-12674 Cisco Firepower Threat Defense Software Multi-instance Container Escape Vulnerabilities

Multiple vulnerabilities in the multi-instance feature of Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to escape the container for their FTD instance and execute commands with root privileges in the host namespace. These vulnerabilities are due to...

Cisco IOS XE IOx Guest Shell Namespace Protection Vulnerability

Cisco IOS XE is a set of operating systems developed by Cisco for its network devices. An IOx Guest Shell namespace protection vulnerability exists in the file system of Cisco IOS XE. The vulnerability stems from insufficient file permissions. An attacker can exploit this vulnerability by modifyi...

CVE-2019-12670

A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient file permissions. An attacker could exploit this...

CVE-2019-12670

A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient file permissions. An attacker could exploit this...