Exploiting an Unbounded memcpy in Parallels Desktop
This post details the development of a guest-to-host virtualization escape for Parallels Desktop on macOS, as used in our successful Pwn2Own 2021 entry. Give...
Zyxel silently patches command-injection vulnerability with 9.8 severity rating
Flaw makes it possible to install web shell to maintain control of affected devices.
Vulnerability Analysis - CVE-2022-1388
CVE-2022-1388 is a critical vulnerability (CVSS 9.8) in the management interface of F5 Networks’ BIG-IP solution that enables an unauthenticated attacker to gain remote code execution on the system through bypassing F5’s iControl REST authentication. The vulnerability was first discovered by F5’s internal product security team and disclosed publicly on May 4, 2022.
Nozomi Networks Discovers Unpatched DNS Bug in Popular C Standard Library Putting IoT at Risk
Nozomi Networks Labs has disclosed an unpatched vulnerability affecting the DNS of popular C standard libraries potentially in use by millions of IoT devices: uClibc and uClibc-ng.
Dec0ne/KrbRelayUp: KrbRelayUp - a universal no-fix local privilege escalation in windows domain environments where LDAP signing is not enforced (the default settings).
KrbRelayUp - a universal no-fix local privilege escalation in windows domain environments where LDAP signing is not enforced (the default settings). - GitHub - Dec0ne/KrbRelayUp: KrbRelayUp - a universal no-fix local privilege escalation in windows domain environments where LDAP signing is not enforced (the default settings).
Microsoft finds new elevation of privilege Linux vulnerability, Nimbuspwn
Microsoft has discovered several vulnerabilities, collectively referred to as Nimbuspwn, that could be chained together, allowing an attacker to elevate privileges to root on many Linux desktop endpoints. Leveraging Nimbuspwn as a vector for root access could allow attackers to achieve greater impact on vulnerable devices by deploying payloads and performing other malicious actions via arbitrary root code execution.
Git security vulnerability announced
GitHub is unaffected by the vulnerabilities, but users should be aware of them and upgrade their local installation of Git.
CVE-2022-22965 Analyzing the Exploitation of Spring4Shell Vulnerability in Weaponizing and Executing the Mirai Botnet Malware
Trend Micro Threat Research observed active exploitation of the Spring4Shell vulnerability assigned as CVE-2022-22965, which allows malicious actors to weaponize and execute the Mirai botnet malware. The exploitation allows threat actors to download the Mirai sample to the “/tmp” folder and execute them after permission change using “chmod”. We began seeing malicious activities at the start of April 2022. We also found the malware file server with other variants of the sample for different CPU architectures.
PROPHET SPIDER Exploits Citrix ShareFile
At the start of 2022, CrowdStrike Intelligence and CrowdStrike Services investigated an incident in which PROPHET SPIDER exploited CVE-2021-22941 — a remote code execution (RCE) vulnerability impacting Citrix ShareFile Storage Zones Controller — to compromise a Microsoft Internet Information Services (IIS) web server. The adversary exploited the vulnerability to deploy a webshell that enabled the downloading of additional tools. This incident highlights how PROPHET SPIDER continues to evolve their tradecraft while continuing to exploit known web-server vulnerabilities.
Armis Finds Three Critical Zero-Day Vulnerabilities in APC Smart-UPS Devices, Dubbed "TLStorm," Exposing More than 20 Million Enterprise Devices
Vulnerabilities found in widely-used Uninterruptible Power Supplies could allow attackers to bypass security features and remotely take over or damage critical industrial, medical, and enterprise devices
2 New Mozilla Firefox 0-Day Bugs Under Active Attack — Patch Your Browser ASAP!
Mozilla has pushed out-of-band software updates to its Firefox web browser to contain two high-impact security vulnerabilities, both of which it says are being actively exploited in the wild.
The Dirty Pipe Vulnerability — The Dirty Pipe Vulnerability documentation
This is the story of CVE-2022-0847, a vulnerability in the Linux kernel since 5.8 which allows overwriting data in arbitrary read-only files. This leads to privilege escalation because unprivileged processes can inject code into root processes. It is similar to CVE-2016-5195 “Dirty Cow” but is easier to exploit. The vulnerability was fixed in Linux 5.16.11, 5.15.25 and 5.10.102.
New Linux Vulnerability CVE-2022-0492 Affecting Cgroups: Can Containers Escape?
On Feb. 4, Linux announced CVE-2022-0492, a new privilege escalation vulnerability in the kernel. CVE-2022-0492 marks a logical bug in control groups (cgroups), a Linux feature that is a fundamental building block of containers. The issue stands out as one of the simplest Linux privilege escalations discovered in recent times: The Linux kernel mistakenly exposed a privileged operation to unprivileged users.
New Security Vulnerability Affects Thousands of Self-Managed GitLab Instances
Researchers have disclosed details of a new security vulnerability in GitLab, an open-source DevOps software, that could potentially allow a remote, unauthenticated attacker to recover user-related information.
Windows Installer EOP (CVE-2023-21800)
This blog post describes the details and methodology of our research targeting the Windows Installer (MSI) installation technology.
CVE-2023-27532
Vulnerability CVE-2023-27532 in a Veeam Backup & Replication component allows an unauthenticated user operating within the backup infrastructure network perimeter to obtain encrypted credentials stored in the configuration database. This may lead to an attacker gaining access to the backup infrastructure hosts.
PoC exploit for recently patched Microsoft Word RCE is public (CVE-2023-21716)
A PoC exploit for CVE-2023-21716, a critical RCE vulnerability in Microsoft Word that can be exploited when the user previews a specially crafted RTF document, is now publicly available.
Technical Advisory: Various Threat Actors Targeting ManageEngine Exploit CVE-2022-47966
Numerous threat actors were detected abusing a critical CVE-2022-47966 RCE vulnerability affecting products from ManageEngine. Read our advisory.
CVD, EU-DSGVO and revDSG - A personal responsible disclosure experience of a data breach in the Swiss cyber landscape in 2022/23
n late November 2022, a few days after ETH Alumni launched their new feature “Who is who” which allows them to look up and connect to other members, I came across a severe access control vulnerability. Without any authorization over the internet, it allowed extracting at least 35418 member profiles, including full name, postal address, nationality, title, graduation field, study start year, gender, profile picture and hashed passwords.
OpenSSL fixes High Severity data-stealing bug – patch now!
7 memory mismanagements and a timing attack. We explain all the jargon bug terminology in plain English…
Apple patches are out – old iPhones get an old zero-day fix at last!
Don’t delay, especially if you’re still running an iOS 12 device… please do it today!
New GTA Online exploit now allows cheaters to ban your account
a new Grand Theft Auto: Online exploit now allows cheaters to ban or delete peoples online profile and edit their stats
Zoom Patches High Risk Flaws on Windows, MacOS Platforms
Video messaging giant Zoom has released patches for multiple security vulnerabilities that expose both Windows and macOS users to malicious hacker attacks.
Jenkins discloses dozens of zero-day bugs in multiple plugins
On Thursday, the Jenkins security team announced 34 security vulnerabilities affecting 29 plugins for the Jenkins open source automation server, 29 of the bugs being zero-days still waiting to be patched.
Hacker claims to be selling Twitter data of 400 million users
A threat actor claims to be selling public and private data of 400 million Twitter users scraped in 2021 using a now-fixed API vulnerability. They're asking $200,000 for an exclusive sale.
Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems
he maintainers of the FreeBSD operating system have released updates to remediate a security vulnerability impacting the ping module that could be potentially exploited to crash the program or trigger remote code execution. The issue, assigned the identifier CVE-2022-23093, impacts all supported versions of FreeBSD and concerns a stack-based buffer overflow vulnerability in the ping service.
CVE-2022-21661: Exposing Database Info via WordPress SQL Injection
In October of this year, we received a report from ngocnb and khuyenn from GiaoHangTietKiem JSC covering a SQL injection vulnerability in WordPress. The bug could allow an attacker to expose data stored in a connected database. This vulnerability was recently addressed as CVE-2022-21661 ( ZDI-22-020
Google pushes emergency Chrome update to fix 8th zero-day in 2022
Google has released an emergency security update for the desktop version of the Chrome web browser, addressing the eighth zero-day vulnerability exploited in attacks this year.
Firefox fixes fullscreen fakery flaw – get the update now! – Naked Security
What’s so bad about a web page going fullscreen without warning you first?
Compromising Plesk via its REST API
Compromising Plesk via its REST API, CSRF, CORS misconfiguration, add db user, add backdoor, add secret token, cookieless CSRF