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The discovery was made by security researchers at Mitiga
Daily Archives: November 17, 2022
More Than Half of Black Friday Spam Emails Are Scams
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New research analyzes email scam techniques in the build-up to this year’s Black Friday
USN-5731-1: multipath-tools vulnerabilities
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It was discovered that multipath-tools incorrectly handled symlinks. A
local attacker could possibly use this issue, in combination with other
issues, to escalate privileges. This issue only affected Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-41973)
It was discovered that multipath-tools incorrectly handled access controls.
A local attacker could possibly use this issue, in combination with other
issues, to escalate privileges. (CVE-2022-41974)
USN-5730-1: WebKitGTK vulnerabilities
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Several security issues were discovered in the WebKitGTK Web and JavaScript
engines. If a user were tricked into viewing a malicious website, a remote
attacker could exploit a variety of issues related to web browser security,
including cross-site scripting attacks, denial of service attacks, and
arbitrary code execution.
Cybersecurity Industry Must Maintain Public Faith in Technology, Says NCSC Founder
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The NCSC’s founding CEO, Ciaran Martin, explains why the cyber industry is now a public good
Failures in Twitter’s Two-Factor Authentication System
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Twitter is having intermittent problems with its two-factor authentication system:
Not all users are having problems receiving SMS authentication codes, and those who rely on an authenticator app or physical authentication token to secure their Twitter account may not have reason to test the mechanism. But users have been self-reporting issues on Twitter since the weekend, and WIRED confirmed that on at least some accounts, authentication texts are hours delayed or not coming at all. The meltdown comes less than two weeks after Twitter laid off about half of its workers, roughly 3,700 people. Since then, engineers, operations specialists, IT staff, and security teams have been stretched thin attempting to adapt Twitter’s offerings and build new features per new owner Elon Musk’s agenda.
On top of that, it seems that the system has a new vulnerability:
A researcher contacted Information Security Media Group on condition of anonymity to reveal that texting “STOP” to the Twitter verification service results in the service turning off SMS two-factor authentication.
“Your phone has been removed and SMS 2FA has been disabled from all accounts,” is the automated response.
The vulnerability, which ISMG verified, allows a hacker to spoof the registered phone number to disable two-factor authentication. That potentially exposes accounts to a password reset attack or account takeover through password stuffing.
This is not a good sign.
PCI Council Launches Flexible Mobile Payments Standard
US: Iranian Hackers Breached Government with Log4Shell
Android security: Which smartphones can enterprises trust?
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Google’s Android operating system dominates smartphone usage throughout the world — in every region except North America and Oceania, in fact. Thus, businesses in many regions are likely to support and issue Android devices to employees as their mainstay mobile devices. Even in areas where Apple’s iPhone dominates or is comparable in market share, businesses are likely to support or issue Android devices at least as a secondary option.
But Android security has long been an IT concern, despite significant security improvements made to the platform a decade ago in response to security standards put in place for iPhones, which quickly gained the security seal approval as a result. That makes the buying and support decision around Android phones more complex for CISOs — whether as corporate-liable devices (that is, the devices that enterprises buy for their employees) or as employee-liable devices or bring-your-own devices (BYOD) that IT allows access at least to work email and calendars, and often to web-based services.
USN-5638-2: Expat vulnerabilities
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USN-5638-1 fixed a vulnerability in Expat. This update provides
the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS.
Original advisory details:
Rhodri James discovered that Expat incorrectly handled memory when
processing certain malformed XML files. An attacker could possibly
use this issue to cause a crash or execute arbitrary code.