Category Archives: Advisories

USN-6896-5: Linux kernel vulnerabilities

Read Time:4 Minute, 25 Second

It was discovered that the ATA over Ethernet (AoE) driver in the Linux
kernel contained a race condition, leading to a use-after-free
vulnerability. An attacker could use this to cause a denial of service or
possibly execute arbitrary code. (CVE-2023-6270)

It was discovered that the Atheros 802.11ac wireless driver did not
properly validate certain data structures, leading to a NULL pointer
dereference. An attacker could possibly use this to cause a denial of
service. (CVE-2023-7042)

Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux
Kernel contained a race condition, leading to a NULL pointer dereference.
An attacker could possibly use this to cause a denial of service (system
crash). (CVE-2024-22099)

Gui-Dong Han discovered that the software RAID driver in the Linux kernel
contained a race condition, leading to an integer overflow vulnerability. A
privileged attacker could possibly use this to cause a denial of service
(system crash). (CVE-2024-23307)

It was discovered that a race condition existed in the Bluetooth subsystem
in the Linux kernel when modifying certain settings values through debugfs.
A privileged local attacker could use this to cause a denial of service.
(CVE-2024-24857, CVE-2024-24858, CVE-2024-24859)

Bai Jiaju discovered that the Xceive XC4000 silicon tuner device driver in
the Linux kernel contained a race condition, leading to an integer overflow
vulnerability. An attacker could possibly use this to cause a denial of
service (system crash). (CVE-2024-24861)

Chenyuan Yang discovered that the Unsorted Block Images (UBI) flash device
volume management subsystem did not properly validate logical eraseblock
sizes in certain situations. An attacker could possibly use this to cause a
denial of service (system crash). (CVE-2024-25739)

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
– x86 architecture;
– Block layer subsystem;
– Accessibility subsystem;
– ACPI drivers;
– Android drivers;
– Bluetooth drivers;
– Clock framework and drivers;
– Data acquisition framework and drivers;
– Cryptographic API;
– GPU drivers;
– HID subsystem;
– I2C subsystem;
– IRQ chip drivers;
– Multiple devices driver;
– Media drivers;
– VMware VMCI Driver;
– MMC subsystem;
– Network drivers;
– PCI subsystem;
– SCSI drivers;
– Freescale SoC drivers;
– SPI subsystem;
– Media staging drivers;
– TTY drivers;
– USB subsystem;
– VFIO drivers;
– Framebuffer layer;
– Xen hypervisor drivers;
– File systems infrastructure;
– BTRFS file system;
– Ext4 file system;
– FAT file system;
– NILFS2 file system;
– Diskquota system;
– SMB network file system;
– UBI file system;
– io_uring subsystem;
– BPF subsystem;
– Core kernel;
– Memory management;
– B.A.T.M.A.N. meshing protocol;
– Bluetooth subsystem;
– Networking core;
– HSR network protocol;
– IPv4 networking;
– IPv6 networking;
– MAC80211 subsystem;
– Netfilter;
– NET/ROM layer;
– NFC subsystem;
– Open vSwitch;
– Packet sockets;
– RDS protocol;
– Network traffic control;
– Sun RPC protocol;
– Unix domain sockets;
– ALSA SH drivers;
– USB sound devices;
– KVM core;
(CVE-2024-35982, CVE-2024-26862, CVE-2024-35997, CVE-2024-26851,
CVE-2024-26817, CVE-2024-26820, CVE-2024-26974, CVE-2024-35806,
CVE-2024-26903, CVE-2024-35822, CVE-2024-27076, CVE-2024-26901,
CVE-2024-26955, CVE-2024-26976, CVE-2024-35821, CVE-2024-27038,
CVE-2024-26994, CVE-2023-52656, CVE-2024-27008, CVE-2024-26966,
CVE-2024-26898, CVE-2024-26931, CVE-2024-35888, CVE-2024-26810,
CVE-2024-26969, CVE-2024-35960, CVE-2024-26884, CVE-2024-26999,
CVE-2024-35847, CVE-2024-35807, CVE-2024-26857, CVE-2024-35915,
CVE-2023-52880, CVE-2024-35936, CVE-2024-26875, CVE-2024-26973,
CVE-2024-35899, CVE-2024-35910, CVE-2024-27020, CVE-2024-26828,
CVE-2024-26957, CVE-2024-35925, CVE-2024-27046, CVE-2024-26923,
CVE-2024-27053, CVE-2024-26586, CVE-2024-26878, CVE-2024-26880,
CVE-2024-27077, CVE-2024-26812, CVE-2024-27043, CVE-2024-35973,
CVE-2024-26855, CVE-2024-26981, CVE-2024-27065, CVE-2024-26687,
CVE-2024-35852, CVE-2024-26894, CVE-2024-26852, CVE-2024-35900,
CVE-2024-35955, CVE-2022-48627, CVE-2024-35944, CVE-2024-27028,
CVE-2024-35825, CVE-2024-36004, CVE-2024-27024, CVE-2024-27075,
CVE-2024-27001, CVE-2024-35854, CVE-2024-27073, CVE-2024-27013,
CVE-2024-27059, CVE-2024-26863, CVE-2023-52644, CVE-2024-35809,
CVE-2024-26889, CVE-2024-36006, CVE-2024-35950, CVE-2024-35849,
CVE-2024-27419, CVE-2024-27436, CVE-2024-26922, CVE-2024-35853,
CVE-2024-35828, CVE-2024-35805, CVE-2024-26956, CVE-2024-27004,
CVE-2023-52620, CVE-2024-26642, CVE-2024-26859, CVE-2024-35877,
CVE-2024-26651, CVE-2024-26984, CVE-2024-36007, CVE-2024-26816,
CVE-2024-27000, CVE-2024-35897, CVE-2024-36020, CVE-2024-26935,
CVE-2024-27388, CVE-2024-35984, CVE-2024-35819, CVE-2024-35935,
CVE-2024-35895, CVE-2024-35930, CVE-2024-26874, CVE-2024-26937,
CVE-2024-26993, CVE-2024-27395, CVE-2024-26965, CVE-2024-35933,
CVE-2024-35815, CVE-2023-52699, CVE-2024-35886, CVE-2024-35922,
CVE-2024-27030, CVE-2024-35978, CVE-2024-35855, CVE-2024-35813,
CVE-2024-27396, CVE-2024-26654, CVE-2024-27437, CVE-2024-35789,
CVE-2024-26926, CVE-2024-35830, CVE-2024-27078, CVE-2023-52650,
CVE-2024-27044, CVE-2024-26882, CVE-2024-35969, CVE-2024-26813,
CVE-2024-35893, CVE-2024-26883, CVE-2024-27074, CVE-2024-35823,
CVE-2024-35898, CVE-2024-26934)

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Threat Actors leveraging the recent CrowdStrike update outage

Read Time:1 Minute, 10 Second

DescriptionFortiGuard Labs is aware of the campaigns used by threat actors to spread malware, using phishing and scams to take advantage of the recent widespread global IT outage affecting Microsoft Windows hosts. This outage is due to an issue with a recent CrowdStrike update that can cause a bug check or Blue Screen of Death (BSOD) on the affected Windows machines which may get stuck in a restarting state.  Why is it significant?The outage has caused many businesses’ operations to a halt worldwide across a variety of industries, including hospitals, banks, stock exchanges, and other institutions, as some Microsoft-based computers ceased to work. The threat actors have taken advantage of such events to spread malware, use phishing, and attempt other scams. What is the suggested mitigation?FortiGuards Labs recommends users to go through the vendor’s guidance to resolve the issue as soon as possible. Falcon Content Update Remediation and Guidance Hub – CrowdStrikeDo not fall victim to any phishing/scam attacks that the threat actors may take advantage of. Follow the security best practices and only use trusted sources. What is the FortiGuard Protection?All the known Indicators of Compromise (IoCs), including the File hashes, IP addresses, Domains, and URLs used by threat actors in the related campaigns are blocked by the FortiGuard Web Filtering Service.To detect and block known malware related to the associated campaigns, the FortiGuard AV signatures are available.

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CyberDanube Security Research 20240722-0 | Multiple Vulnerabilities in Perten/PerkinElmer ProcessPlus

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Posted by Thomas Weber via Fulldisclosure on Jul 22

CyberDanube Security Research 20240722-0
——————————————————————————-
title| Multiple Vulnerabilities
product| Perten Instruments Process Plus Software
vulnerable version| <=1.11.6507.0
fixed version| 2.0.0
CVE number| CVE-2024-6911, CVE-2024-6912, CVE-2024-6913
impact| High
homepage| https://perkinelmer.com

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USN-6905-1: Rack vulnerabilities

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It was discovered that Rack incorrectly handled certain regular
expressions. A remote attacker could possibly use this issue to cause
Rack to consume resources, leading to a denial of service.
(CVE-2023-27539)

It was discovered that Rack incorrectly handled Multipart MIME parsing.
A remote attacker could possibly use this issue to cause Rack to consume
resources, leading to a denial of service. This issue only affected
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-27530)

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A Vulnerability in Cisco Secure Email Gateway Could Allow for Remote Code Execution

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A vulnerability has been discovered in Cisco Secure Email Gateway that could allow for remote code execution. Cisco Secure Email Gateway is an email security product that uses signature analysis and machine learning to identify and block malicious emails before they reach recipients inboxes. Successful exploitation could allow the attacker to replace any file on the underlying file system. The attacker could then perform any of the following actions: add users with root privileges, modify the device configuration, execute arbitrary code, or cause a permanent denial of service (DoS) condition on the affected device.

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