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The UK’s NCSC is launching ACD 2.0, an advanced suite of cybersecurity tools and services designed to protect businesses from evolving cyber threats
Monthly Archives: August 2024
USN-6895-4: Linux kernel vulnerabilities
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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 HugeTLB file system component of the Linux
Kernel contained a NULL pointer dereference vulnerability. A privileged
attacker could possibly use this to to cause a denial of service.
(CVE-2024-0841)
It was discovered that the Open vSwitch implementation in the Linux kernel
could overflow its stack during recursive action operations under certain
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2024-1151)
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)
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)
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:
– ARM64 architecture;
– PowerPC architecture;
– x86 architecture;
– Cryptographic API;
– Android drivers;
– Block layer subsystem;
– Bluetooth drivers;
– DMA engine subsystem;
– GPU drivers;
– HID subsystem;
– Hardware monitoring drivers;
– I2C subsystem;
– IIO ADC drivers;
– IIO subsystem;
– IIO Magnetometer sensors drivers;
– InfiniBand drivers;
– On-Chip Interconnect management framework;
– Multiple devices driver;
– Media drivers;
– Network drivers;
– PHY drivers;
– MediaTek PM domains;
– SCSI drivers;
– TTY drivers;
– USB subsystem;
– DesignWare USB3 driver;
– Framebuffer layer;
– AFS file system;
– BTRFS file system;
– Ceph distributed file system;
– Ext4 file system;
– File systems infrastructure;
– NILFS2 file system;
– NTFS3 file system;
– SMB network file system;
– Core kernel;
– Memory management;
– Bluetooth subsystem;
– CAN network layer;
– Devlink API;
– Handshake API;
– HSR network protocol;
– IPv4 networking;
– IPv6 networking;
– MAC80211 subsystem;
– Multipath TCP;
– Netfilter;
– NFC subsystem;
– RxRPC session sockets;
– TIPC protocol;
– Unix domain sockets;
– Realtek audio codecs;
(CVE-2023-52638, CVE-2024-26684, CVE-2024-26659, CVE-2024-26708,
CVE-2024-26663, CVE-2024-26662, CVE-2024-26789, CVE-2024-26831,
CVE-2024-26703, CVE-2023-52643, CVE-2024-26688, CVE-2024-26733,
CVE-2024-26818, CVE-2024-26707, CVE-2024-26820, CVE-2024-26719,
CVE-2024-26726, CVE-2024-26830, CVE-2024-26694, CVE-2024-26715,
CVE-2024-26829, CVE-2024-26697, CVE-2024-26916, CVE-2024-26735,
CVE-2024-26717, CVE-2024-26748, CVE-2024-26696, CVE-2024-26710,
CVE-2024-26642, CVE-2024-26680, CVE-2024-26675, CVE-2024-26723,
CVE-2024-26718, CVE-2024-26666, CVE-2024-26720, CVE-2024-26838,
CVE-2024-26824, CVE-2024-26676, CVE-2024-26665, CVE-2024-26693,
CVE-2024-26698, CVE-2024-26890, CVE-2024-26601, CVE-2024-26826,
CVE-2024-26711, CVE-2024-26602, CVE-2023-52645, CVE-2024-26716,
CVE-2024-26660, CVE-2023-52642, CVE-2024-26898, CVE-2024-26803,
CVE-2024-26923, CVE-2024-26722, CVE-2024-26677, CVE-2024-26825,
CVE-2024-26606, CVE-2024-26790, CVE-2024-26828, CVE-2024-26910,
CVE-2024-26681, CVE-2024-26689, CVE-2024-26667, CVE-2024-26798,
CVE-2024-26679, CVE-2023-52631, CVE-2024-26926, CVE-2024-26661,
CVE-2024-26700, CVE-2023-52637, CVE-2024-26919, CVE-2024-26917,
CVE-2024-26712, CVE-2024-26889, CVE-2024-26674, CVE-2024-26792,
CVE-2024-35833, CVE-2024-26822, CVE-2024-26734, CVE-2024-26691,
CVE-2024-26685, CVE-2024-26782, CVE-2024-26702, CVE-2024-26600,
CVE-2024-26922, CVE-2024-26593, CVE-2024-26736, CVE-2024-26920,
CVE-2024-26603, CVE-2024-26714, CVE-2024-27416, CVE-2024-26695,
CVE-2023-52880, CVE-2024-26664, CVE-2024-26802)
chromium-127.0.6533.88-2.el9
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FEDORA-EPEL-2024-6a77aa5f82
Packages in this update:
chromium-127.0.6533.88-2.el9
Update description:
update to 127.0.6533.88
Critical CVE-2024-6990: Uninitialized Use in Dawn
High CVE-2024-7255: Out of bounds read in WebTransport
High CVE-2024-7256: Insufficient data validation in Dawn
update to 127.0.6533.72
* CVE-2024-6988: Use after free in Downloads
* CVE-2024-6989: Use after free in Loader
* CVE-2024-6991: Use after free in Dawn
* CVE-2024-6992: Out of bounds memory access in ANGLE
* CVE-2024-6993: Inappropriate implementation in Canvas
* CVE-2024-6994: Heap buffer overflow in Layout
* CVE-2024-6995: Inappropriate implementation in Fullscreen
* CVE-2024-6996: Race in Frames
* CVE-2024-6997: Use after free in Tabs
* CVE-2024-6998: Use after free in User Education
* CVE-2024-6999: Inappropriate implementation in FedCM
* CVE-2024-7000: Use after free in CSS. Reported by Anonymous
* CVE-2024-7001: Inappropriate implementation in HTML
* CVE-2024-7003: Inappropriate implementation in FedCM
* CVE-2024-7004: Insufficient validation of untrusted input in Safe Browsing
* CVE-2024-7005: Insufficient validation of untrusted input in Safe
chromium-127.0.6533.88-2.el8
Read Time:57 Second
FEDORA-EPEL-2024-b57653699c
Packages in this update:
chromium-127.0.6533.88-2.el8
Update description:
update to 127.0.6533.88
Critical CVE-2024-6990: Uninitialized Use in Dawn
High CVE-2024-7255: Out of bounds read in WebTransport
High CVE-2024-7256: Insufficient data validation in Dawn
update to 127.0.6533.72
* CVE-2024-6988: Use after free in Downloads
* CVE-2024-6989: Use after free in Loader
* CVE-2024-6991: Use after free in Dawn
* CVE-2024-6992: Out of bounds memory access in ANGLE
* CVE-2024-6993: Inappropriate implementation in Canvas
* CVE-2024-6994: Heap buffer overflow in Layout
* CVE-2024-6995: Inappropriate implementation in Fullscreen
* CVE-2024-6996: Race in Frames
* CVE-2024-6997: Use after free in Tabs
* CVE-2024-6998: Use after free in User Education
* CVE-2024-6999: Inappropriate implementation in FedCM
* CVE-2024-7000: Use after free in CSS. Reported by Anonymous
* CVE-2024-7001: Inappropriate implementation in HTML
* CVE-2024-7003: Inappropriate implementation in FedCM
* CVE-2024-7004: Insufficient validation of untrusted input in Safe Browsing
* CVE-2024-7005: Insufficient validation of untrusted input in Safe
SnakeKeylogger Attack
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What is the Attack?Threat actors are continuously preying on end users to unknowingly install a trojan stealer known as SnakeKeylogger or KrakenKeylogger. This trojan was developed using .NET and targets Windows users. Its arsenal includes keystroke logging, harvesting credentials, and capturing screenshots. Based on the FortiGuard telemetry, there were hundreds of 0-day detection hits. Moreover, the sites that the trojan connects to were queried several times which suggests infection.What is the recommended Mitigation?FortiGuard Labs recommends a multi-layered approach to security. Here are some reminders:Keep your security services up to date with latest databases and engines.Enable Antivirus and Sandbox on security profiles in network policies.Use EDR for protecting end users from any pre and post exploitation.Be cautious when opening emails, clicking links, and downloading attachments.What FortiGuard Coverage is available?FortiGuard 0-day protection via Sandbox and EDR detects the malicious behavior.FortiGuard Antivirus protection detects the trojan as MSIL/Agent.RAT!tr.FortiGuard IOC Service blocks access to the payload site as a Spam/Malicious site.The FortiGuard Incident Response team can be engaged to help with any suspected compromise.To learn more about the SnakeKeylogger trojan, read the Encyclopedia Report posted by FortiGuard Labs at:https://www.fortiguard.com/encyclopedia/virus/10187160
U.S. Trades 5 Cybercriminals to Russia in Prisoner Swap
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Twenty-four prisoners were freed today in an international prisoner swap between Russia and Western countries. Among the eight Russians repatriated were five convicted cybercriminals. In return, Russia has reportedly released 16 prisoners, including Wall Street Journal reporter Evan Gershkovich and ex-U.S. Marine Paul Whelan.
Among the more notable Russian hackers released in the prisoner swap is Roman Seleznev, 40, who was sentenced in 2017 to 27 years in prison for racketeering convictions tied to a lengthy career in stealing and selling payment card data. Seleznev earned this then-record sentence by operating some of the underground’s most bustling marketplaces for stolen card data.
Roman Seleznev, pictured with bundles of cash. Image: US DOJ.
Once known by the hacker handles “Track2,” “Bulba” and “nCux,” Seleznev is the son of Valery Seleznev, a prominent member of the Russian parliament who is considered an ally of Vladimir Putin. U.S. prosecutors showed that for years Vinnik stayed a step ahead of the law by tapping into contacts at the Russian FSB, the successor agency to the Soviet KGB, and by periodically changing hacker handles.
But in 2014 Seleznev was captured by U.S. Secret Service agents, who had zeroed in on Seleznev’s posh vacation spot in The Maldives. At the time, the South Asian island country was a popular destination for Eastern Europe-based cybercriminals, who viewed it as beyond the reach of U.S. law enforcement.
In addition to receiving a record prison sentence, Seleznev was ordered to pay more than $50 million in restitution to his victims. That loss amount equaled the total losses inflicted by Seleznev’s various carding stores, and other thefts attributed to members of the hacking forum carder[.]su, a bustling cybercrime community of which Seleznev was a leading organizer.
Also released in the prisoner swap was Vladislav Klyushin, a 42-year-old Muscovite sentenced in September 2023 to nine years in prison for what U.S. prosecutors called a “$93 million hack-to-trade conspiracy.” Klyushin and his crew hacked into companies and used information stolen in those intrusions to make illegal stock trades.
Klyushin likewise was arrested while vacationing abroad: The Associated Press reported that Klyushin was captured in Switzerland after arriving on a private jet, and just before he and his party were about to board a helicopter to whisk them to a nearby ski resort.
A passport photo of Klyushin. Image: USDOJ.
Klyushin is the owner of M-13, a Russian technology company that contracts with the Russian government. According to prosecutors, M-13 offered penetration testing and “advanced persistent threat (APT) emulation.” As part of his guilty plea, Klyushin was also ordered to forfeit $34 million, and to pay restitution in an amount that was to be determined.
The U.S. government says four of Klyushin’s alleged co-conspirators remain at large, including Ivan Ermakov, who was among 12 Russians charged in 2018 with hacking into key Democratic Party email accounts.
Russia also welcomed home one of its most accomplished money launderers. Alexander Vinnik, 44, who was one of the operators of BTC-e, a large cryptocurrency exchange that helped launder crime proceeds tied to various ransomware groups.
In 2017, U.S. authorities seized BTC-e, charging Vinnik with operating an international money laundering scheme that included some 850,000 bitcoins stolen from cryptocurrency exchange Mt. Gox. In May 2024, Vinnik pleaded guilty to laundering more than $9 billion.
Vladimir Dunaev, 40, was one of the masterminds behind the Trickbot trojan, a crimeware-as-a-service platform that for many years was used by Russian cybercrime groups to install ransomware and siphon data from victims. Duanev was sentenced in January 2024 to five years and four months in prison.
The fifth convicted Russian sent back home this week is Maxim Marchenko, 52, who pleaded guilty in February 2024 to illicitly procuring large quantities of U.S.-made microelectronics on behalf of Russian clients in support of the war on Ukraine.
Marchenko admitted setting up a number of shell companies based in Hong Kong that were used to acquire the technology products that have military-grade applications, such as rifle scopes, night vision goggles and thermal optics.
Among the Americans freed by Russia were Wall Street Journal reporter Evan Gershkovich, 32, who has spent the last 16 months in a Russian prison on spying charges. Also released was Alsu Kurmasheva, 47, a Russian American editor for Radio Free Europe/Radio Liberty who was arrested last year; and Paul Whelan, 54, a former U.S. Marine arrested in 2018 and accused of spying.
The New York Times reports several others freed by Russia were German nationals, including German Moyzhes, a lawyer who was helping Russians obtain residence permits in Germany and other E.U. countries. The Times says Slovenia, Norway and Poland released four people accused of being Russian spies.
Reuters reports that Germany released Vadim Krasikov, an FSB colonel serving a life sentence there for murdering an exiled Chechen-Georgian dissident in a Berlin park.
chromium-127.0.6533.88-2.fc40
Read Time:56 Second
FEDORA-2024-3a1a0a664e
Packages in this update:
chromium-127.0.6533.88-2.fc40
Update description:
update to 127.0.6533.88
Critical CVE-2024-6990: Uninitialized Use in Dawn
High CVE-2024-7255: Out of bounds read in WebTransport
High CVE-2024-7256: Insufficient data validation in Dawn
update to 127.0.6533.72
* CVE-2024-6988: Use after free in Downloads
* CVE-2024-6989: Use after free in Loader
* CVE-2024-6991: Use after free in Dawn
* CVE-2024-6992: Out of bounds memory access in ANGLE
* CVE-2024-6993: Inappropriate implementation in Canvas
* CVE-2024-6994: Heap buffer overflow in Layout
* CVE-2024-6995: Inappropriate implementation in Fullscreen
* CVE-2024-6996: Race in Frames
* CVE-2024-6997: Use after free in Tabs
* CVE-2024-6998: Use after free in User Education
* CVE-2024-6999: Inappropriate implementation in FedCM
* CVE-2024-7000: Use after free in CSS. Reported by Anonymous
* CVE-2024-7001: Inappropriate implementation in HTML
* CVE-2024-7003: Inappropriate implementation in FedCM
* CVE-2024-7004: Insufficient validation of untrusted input in Safe Browsing
* CVE-2024-7005: Insufficient validation of untrusted input in Safe
chromium-127.0.6533.88-2.fc39
Read Time:15 Second
FEDORA-2024-ff743391c3
Packages in this update:
chromium-127.0.6533.88-2.fc39
Update description:
update to 127.0.6533.88
Critical CVE-2024-6990: Uninitialized Use in Dawn
High CVE-2024-7255: Out of bounds read in WebTransport
High CVE-2024-7256: Insufficient data validation in Dawn
USN-6943-1: Tomcat vulnerabilities
Read Time:1 Minute, 12 Second
It was discovered that Tomcat incorrectly handled certain uncommon
PersistenceManager with FileStore configurations. A remote attacker could
possibly use this issue to execute arbitrary code. This issue only affected
tomcat8 for Ubuntu 18.04 LTS (CVE-2020-9484)
It was discovered that Tomcat incorrectly handled certain HTTP/2 connection
requests. A remote attacker could use this issue to obtain wrong responses
possibly containing sensitive information. This issue only affected tomcat8
for Ubuntu 18.04 LTS (CVE-2021-25122)
Thomas Wozenilek discovered that Tomcat incorectly handlded certain TLS
packets. A remote attacker could possibly use this issue to cause a denial
of service. This issue only affected tomcat8 for Ubuntu 18.04 LTS
(CVE-2021-41079)
Trung Pham discovered that a race condition existed in Tomcat when handling
session files with FileStore. A remote attacker could possibly use this
issue to execute arbitrary code. This issue affected tomcat8 for Ubuntu
16.04 LTS and Ubuntu 18.04 LTS, and tomcat9 for Ubuntu 18.04 LTS and Ubuntu
20.04 LTS (CVE-2022-23181)
It was discovered that Tomcat’s documentation incorrectly stated that
EncryptInterceptor provided availability protection when running over an
untrusted network. A remote attacker could possibly use this issue to cause
a denial of service even if EncryptInterceptor was being used. This issue
affected tomcat8 for Ubuntu 18.04 LTS, and tomcat9 for Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS (CVE-2022-29885)
USN-6909-2: Bind vulnerabilities
Read Time:31 Second
USN-6909-1 fixed several vulnerabilities in Bind. This update provides
the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
Toshifumi Sakaguchi discovered that Bind incorrectly handled having a very
large number of RRs existing at the same time. A remote attacker could
possibly use this issue to cause Bind to consume resources, leading to a
denial of service. (CVE-2024-1737)
It was discovered that Bind incorrectly handled a large number of SIG(0)
signed requests. A remote attacker could possibly use this issue to cause
Bind to consume resources, leading to a denial of service. (CVE-2024-1975)