WordPress Plugin WPGraphQL 1.3.5 - Denial of Service

Exploit Title: WordPress Plugin WPGraphQL 1.3.5 - Denial of Service Author: Dolev Farhi Date: 2021-04-12 Vendor Homepage: https://www.wpgraphql.com/ Version: 1.3.5 Tested on: Ubuntu """ This attack uses duplication of fields amplified by GraphQL batched queries, resulting in server OOM and MySQL...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9038)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9038 advisory. - netfilter: add and use nfhookslowlist Florian Westphal Orabug: 32372530 CVE-2021-20177 - target: fix XCOPY NAA identifier lookup David Disseldorp...

OESA-2021-1087 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In drivers/target/targetcorexcopy.c in the Linux kernel before 5.10.7, insufficient identifier checking in the LIO SCSI target code can be used by remote attackers to read or write files via directory traversal in an XCOPY reques...

Debian DLA-2557-1 : linux-4.19 security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2020-27815 A flaw was reported in the JFS filesystem code allowing a local attacker with the ability to set extended attributes to cause a denial o...

OracleVM 3.4 : kernel-uek (OVMSA-2021-0005)

The remote OracleVM system is missing necessary patches to address security updates: - An issue was found in Linux kernel before 5.5.4. The mwifiexcmdappendvsietlv function in drivers/net/wireless/marvell/mwifiex/scan.c allows local users to gain privileges or cause a denial of service because of...

CVE-2020-25644

A memory leak flaw was found in WildFly OpenSSL in versions prior to 1.1.3.Final, where it removes an HTTP session. This flaw allows an attacker to cause an Out of memory OOM issue, leading to a denial of service. The highest threat from this vulnerability is to system availability. Mitigation...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9030)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9030 advisory. - mwifiex: Fix possible buffer overflows in mwifiexcmdappendvsietlv Qing Xu Orabug: 31350932 CVE-2020-12653 - ALSA: rawmidi: Fix racy buffer resize...

Debian DSA-4843-1 : linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2020-27815 A flaw was reported in the JFS filesystem code allowing a local attacker with the ability to set extended attributes to cause a denial...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9023)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9023 advisory. 4.14.35-2025.404.1.2 - Revert 'rds: Deregister all FRWR mr with freemr' aru kolappan Orabug: 32426280 Tenable has extracted the preceding description...

Xen OOM DoS (XSA-349)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability due to an issue with the watch event queue. A malicious guest can exploit this, by abusing the unbounded queue, to cause an out-of-memory error in the...

FreeBSD-SA-21:02.xenoom

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-21:02.xenoom Security Advisory The FreeBSD Project Topic: Xen guests can triger backend Out Of Memory Category: contrib Module: Xen Announced: 2021-01-29...

FreeBSD : FreeBSD -- Xen guests can triger backend Out Of Memory (5d91370b-61fd-11eb-b87a-901b0ef719ab)

Some OSes including Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbound, a guest may be able to trigger a OOM in the backend. C Tenable Network Security, In...

FreeBSD -- Xen guests can triger backend Out Of Memory

Problem Description: Some OSes including Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbound, a guest may be able to trigger a OOM in the backend...

Amazon Linux AMI : kernel (ALAS-2021-1477)

The version of kernel installed on the remote host is prior to 4.14.214-118.339. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1477 advisory. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making ...

Amazon Linux 2 : kernel (ALAS-2021-1588)

The version of kernel installed on the remote host is prior to 4.14.214-160.339. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1588 advisory. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2021-9009)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9009 advisory. - target: fix XCOPY NAA identifier lookup Mike Christie Orabug: 32248041 CVE-2020-28374 - xen/events: block rogue events for some time Juergen Gros...

CVE-2020-29568

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

Design/Logic Flaw

An issue was discovered in Xen through 4.14.x. Some OSes such as Linux, FreeBSD, and NetBSD are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OO...

CVE-2020-29568

CVE-2020-29568 affects Xen frontends/backends (Xen 4.14.x and older) where watch events are processed by a single thread. If events arrive faster than handling, the unbounded queue can exhaust backend memory, allowing a guest to trigger an OOM in the dom0 backend. The Xen issue is described in mu...