Vixie cron denial of service vulnerability (CNVD-2019-13244)

Vixie cron is a full-featured cron implementation based on SysV cron. cron is a daemon that runs scheduled tasks based on input from the command crontab. A denial of service vulnerability exists in previous versions of the Vixie Cron 3.0pl1-133 Debian package. The vulnerability stems from accepti...

Multi Gather Ubiquiti UniFi Controller Backup

On an Ubiquiti UniFi controller, reads the system.properties configuration file and downloads the backup and autobackup files. The files are then decrypted using a known encryption key, then attempted to be repaired by zip. Meterpreter must be used due to the large file sizes, which can be flaky ...

grant table transfer issues on large hosts

ISSUE DESCRIPTION When the code processing grant table transfer requests finds a page with an address too large to be represented in the interface with the guest, it allocates a replacement page and copies page contents. However, the code doing so fails to set the newly allocated page's accountin...

systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash

It was discovered that systemd allocates a buffer large enough to store the path field of a dbus message without performing enough checks. A local attacker may trigger this flaw by sending a dbus message to systemd with a large path making systemd crash or possibly elevating his privileges...

Nextcloud: Uploading large avatar images cause excessive CPU usage

How to reproduce: - Create an account on any server running Nextcloud 13 or 14. - Open the personal settings. - Upload a large image as avatar tested with a 4032x3024 PNG image of about 14.5 MB. - Keep the selected area in the popup and save the avatar. - Notice that the avatar area shows the...

[SECURITY] Fedora 29 Update: remmina-1.3.3-1.fc29

Remmina is a remote desktop client written in GTK+, aiming to be useful for system administrators and travelers, who need to work with lots of remote computers in front of either large monitors or tiny net-books. Remmina supports multiple network protocols in an integrated and consistent user...

systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash

It was discovered that systemd allocates a buffer large enough to store the path field of a dbus message without performing enough checks. A local attacker may trigger this flaw by sending a dbus message to systemd with a large path making systemd crash or possibly elevating his privileges...

LIVE555 Buffer Overflow Vulnerability

LIVE555 is a set of open source C++ libraries for multimedia streaming. Live555 suffers from a buffer overflow vulnerability. The vulnerability stems from handleRequestBytes having an unrestricted memmove, which can be exploited to cause a denial of service via a large integer in the Content-Leng...

2019 and Beyond: The (Expanded) RSAC Advisory Board Weighs in on What’s Next: Pt. 2

Our first 2019 predictions post from the RSA Conference Advisory Board was not all sunshine and roses — cautious optimism was tabled by the acknowledged distance we must still travel as an industry — and our second set of predictions does not belie that theme. This trepidation does not mean we’re...

Medium: httpd

Issue Overview: In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2...

The vulnerability of the Libvirt virtualization management library, related to a bug that leads to excessive memory consumption, allows a hacker to trigger a service failure.

The vulnerability of the Libvirt virtualization management library is related to an error that causes excessive memory consumption when processing large data streams by QEMU. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

Malice - VirusTotal Wanna Be (Now With 100% More Hipster)

Malice's mission is to be a free open source version of VirusTotal that anyone can use at any scale from an independent researcher to a fortune 500 company. Try It Out DEMO: demo.malice.io username : malice password : ecilam Requirements Hardware 16GB disk space 4GB RAM Software Docker Getting...

Denial Of Service (DoS)

github.com/moby/moby is vulnerable to denial of service DoS attacks. The vulnerability exists due to the lack of validation of cpuset-mems or cpuset-cpus, where a memory exhaustion could occur with a large integer...

Ubuntu: Security Advisory (USN-3861-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2018-5733

A malicious client which is allowed to send very large amounts of traffic billions of packets to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 - 4.1-ESV-R15, 4.2.0 - 4.2.8, 4.3.0 - 4.3.6, 4.4.0...

DEBIAN-CVE-2018-5733

A malicious client which is allowed to send very large amounts of traffic billions of packets to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 - 4.1-ESV-R15, 4.2.0 - 4.2.8, 4.3.0 - 4.3.6, 4.4.0...

USN-3861-1 policykit-1 vulnerability

It was discovered that PolicyKit incorrectly handled certain large user UIDs. A local attacker with a large UID could possibly use this issue to perform privileged actions...

CVE-2018-20699

Docker Engine before 18.09 allows attackers to cause a denial of service dockerd memory consumption via a large integer in a --cpuset-mems or --cpuset-cpus value, related to daemon/daemonunix.go, pkg/parsers/parsers.go, and pkg/sysinfo/sysinfo.go...

Denial Of Service (DoS)

xen is vulnerable to denial of service DoS attacks. The vulnerability exists through a buffer overflow in the e1000receive function in the e1000 device driver hw/e1000.c in QEMU 1.3.0-rc2 and other versions, when the SBP and LPE flags are disabled, allows remote attackers to cause a denial of...

UBUNTU-CVE-2018-20699

Docker Engine before 18.09 allows attackers to cause a denial of service dockerd memory consumption via a large integer in a --cpuset-mems or --cpuset-cpus value, related to daemon/daemonunix.go, pkg/parsers/parsers.go, and pkg/sysinfo/sysinfo.go...