USN-4388-1: Linux kernel vulnerabilities

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that memory contents...

CVE-2020-10068

In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions...

CVE-2020-10068: Improper Input Validation

In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions...

Zimbra Code Issues Vulnerabilities

Zimbra is the United States Zimbra company's set of open source e-mail collaboration platform. A code issue vulnerability exists in the /service/upload program in the Webmail subsystem in versions of Zimbra prior to 8.8.15 Patch 10 and 9.x prior to 9.0.0 Patch 3, which can be exploited by an...

CVE-2020-3267

A vulnerability in the API subsystem of Cisco Unified Contact Center Express Unified CCX could allow an authenticated, remote attacker to change the availability state of any agent. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit...

Authorization

A vulnerability in the API subsystem of Cisco Unified Contact Center Express Unified CCX could allow an authenticated, remote attacker to change the availability state of any agent. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit...

CVE-2020-12846

Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet in the webmail subsystem. A user can upload executable files exe,sh,bat,jar in the Contact section of the mailbox as an avatar image for ...

Remote code execution

Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet in the webmail subsystem. A user can upload executable files exe,sh,bat,jar in the Contact section of the mailbox as an avatar image for ...

CVE-2020-12846

Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet in the webmail subsystem. A user can upload executable files exe,sh,bat,jar in the Contact section of the mailbox as an avatar image for ...

CVE-2020-3267: Improper Authorization

A vulnerability in the API subsystem of Cisco Unified Contact Center Express Unified CCX could allow an authenticated, remote attacker to change the availability state of any agent. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit...

CVE-2020-12846: Unrestricted Upload of File with Dangerous Type

Zimbra before 8.8.15 Patch 10 and 9.x before 9.0.0 Patch 3 allows remote code execution via an avatar file. There is potential abuse of /service/upload servlet in the webmail subsystem. A user can upload executable files exe,sh,bat,jar in the Contact section of the mailbox as an avatar image for ...

The vulnerability of the dev_get_valid_name function in the TUN subsystem of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the devgetvalidname function in the TUN subsystem of the Linux operating system is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability in the Microsoft Spool Subsystem of the protocol discoverer, the Wireshark network traffic analyzer, allows a hacker to cause a service failure.

The vulnerability in the Microsoft Spool Subsystem of the Wireshark network traffic analyzer involves resource management errors. Exploiting this vulnerability can allow a malicious actor to cause service interruptions...

The compatibility subsystem for running Linux applications allows Windows Subsystem for Linux (WSL) operating systems to enable unauthorized access to protected information by attackers.

The vulnerability of the compatibility subsystem for running Linux applications in Windows Subsystem for Linux WSL operating systems is related to object handling errors in the kernel. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information through...

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

A flaw was found in the allocatetracebuffer in kernel/trace/trace.c in the debug subsystem, when failure to allocate a dynamic percpu area, a resource cleanup is called. The pointer buf-buffer still holds the address and is not set to NULL, which can cause a use-after-free problem, leading to a...

Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic

A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIPSO restricted...

CVE-2020-10711

A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing...

Null pointer dereference

A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing...

CVE-2020-1116

An information disclosure vulnerability exists when the Windows Client Server Run-Time Subsystem CSRSS fails to properly handle objects in memory, aka 'Windows CSRSS Information Disclosure Vulnerability'...

CVE-2020-1075

An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. A attacker could exploit this vulnerability by running ...