Microsoft November 2024 Patch Tuesday fixes 4 zero-days, 89 flaws

Right now is Microsoft’s November 2024 Patch Tuesday, which incorporates security updates for 89 flaws, together with 4 zero-days, two of that are actively exploited.

This Patch Tuesday mounted 4 essential vulnerabilities, which embrace two distant code execution and two elevation of privileges flaws.

The variety of bugs in every vulnerability class is listed under:

• 26 Elevation of Privilege vulnerabilities
• 2 Safety Characteristic Bypass vulnerabilities
• 52 Distant Code Execution vulnerabilities
• 1 Info Disclosure vulnerability
• 4 Denial of Service vulnerabilities
• 3 Spoofing vulnerabilities

This depend doesn’t embrace two Edge flaws that had been beforehand mounted on November seventh.

To study extra concerning the non-security updates launched at present, you may overview our devoted articles on the brand new Home windows 11 KB5046617 and KB5046633 cumulative updates and the Home windows 10 KB5046613 replace.

4 zero-days disclosed

This month’s Patch Tuesday fixes 4 zero-days, two of which had been actively exploited in assaults, and three had been publicly disclosed.

Microsoft classifies a zero-day flaw as one that’s publicly disclosed or actively exploited whereas no official repair is out there.

The 2 actively exploited zero-day vulnerabilities in at present’s updates are:

CVE-2024-43451 – NTLM Hash Disclosure Spoofing Vulnerability

Microsoft has mounted a vulnerability that exposes NTLM hashes to distant attackers with minimal interplay with a malicious file.

“This vulnerability discloses a consumer’s NTLMv2 hash to the attacker who may use this to authenticate because the consumer,” defined Microsoft.

“Minimal interplay with a malicious file by a consumer comparable to choosing (single-click), inspecting (right-click), or performing an motion aside from opening or executing may set off this vulnerability,” continued Microsoft.

Microsoft says Israel Yeshurun of ClearSky Cyber Safety found this vulnerability and that it was publicly disclosed, however didn’t share any additional particulars.

CVE-2024-49039 – Home windows Process Scheduler Elevation of Privilege Vulnerability

A specifically crafted software could possibly be executed that elevates privilege to Medium Integrity stage.

“On this case, a profitable assault could possibly be carried out from a low privilege AppContainer. The attacker may elevate their privileges and execute code or entry sources at the next integrity stage than that of the AppContainer execution surroundings,” defined Microsoft.

Microsoft says that exploiting this vulnerability would permit attackers to execute RPC capabilities which might be usually restricted to privileged accounts.

The flaw was found by Vlad Stolyarov and Bahare Sabouri of Google’s Menace Evaluation Group.

It’s not identified how the flaw was exploited in assaults.

The opposite three vulnerabilities that had been publicly disclosed however not exploited in assaults are:

CVE-2024-49040 – Microsoft Change Server Spoofing Vulnerability

Microsoft has mounted a Microsoft Change vulnerability that enables menace actors to spoof the sender’s electronic mail handle in emails to native recipients.

“Microsoft is conscious of a vulnerability (CVE-2024-49040) that enables attackers to run spoofing assaults in opposition to Microsoft Change Server,” explains a associated advisory by Microsoft.

“The vulnerability is attributable to the present implementation of the P2 FROM header verification, which occurs in transport.”

Beginning with this month’s Microsoft Change security updates, Microsoft is now detecting and flagging spoofed emails with an alert prepended to the e-mail physique that states, “Discover: This electronic mail seems to be suspicious. Don’t belief the data, hyperlinks, or attachments on this electronic mail with out verifying the supply by a trusted technique.”

Microsoft says the flaw was found by Slonser at Solidlab, who publicly disclosed the flaw on this article.

CVE-2024-49019 – Lively Listing Certificates Companies Elevation of Privilege Vulnerability

Microsoft mounted a flaw that enables attackers to realize area administrator privileges by abusing built-in default model 1 certificates templates.

“Verify you probably have printed any certificates created utilizing a model 1 certificates template the place the Supply of topic title is ready to “Provided within the request” and the Enroll permissions are granted to a broader set of accounts, comparable to area customers or area computer systems,” explains Microsoft.

“An instance is the built-in Internet Server template, however it’s not weak by default as a result of its restricted Enroll permissions.”

The flaw was found by Lou Scicchitano, Scot Berner, and Justin Bollinger with TrustedSec, who disclosed the “EKUwu” vulnerability in October.

“Utilizing built-in default model 1 certificates templates, an attacker can craft a CSR to incorporate software insurance policies which might be most well-liked over the configured Prolonged Key Utilization attributes specified within the template,” reads TrustedSec’s report.

“The one requirement is enrollment rights, and it may be used to generate consumer authentication, certificates request agent, and codesigning certificates utilizing the WebServer template.”

As defined above, CVE-2024-43451 was additionally publicly disclosed.

Current updates from different corporations

Different distributors who launched updates or advisories in November 2024 embrace:

• Adobe launched security updates for quite a few functions, together with Photoshop, Illustrator, and Commerce.
• Cisco releases security updates for a number of merchandise, together with Cisco Telephones, Nexus Dashboard, Identification Companies Engine, and extra.
• Citrix releases security updates for NetScaler ADC and NetScaler Gateway vulnerabilities. Additionally they launched an replace for the Citrix Digital Apps and Desktops reported by Watchtowr.
• Dell releases security updates for code execution and security bypass flaws in SONiC OS.
• D-Hyperlink releases a security replace for a essential DSL6740C flaw that enables modification of account passwords.
• Google launched Chrome 131, which incorporates 12 security fixes. No zero-days.
• Ivanti releases security updates for twenty-five vulnerabilities in Ivanti Join Safe (ICS), Ivanti Coverage Safe (IPS), Ivanti Safe Entry Consumer (ISAC).
• SAP releases security updates for a number of merchandise as a part of November Patch Day.
• Schneider Electrical releases security updates for flaws in Modicon M340, Momentum, and MC80 merchandise.
• Siemens launched a security replace for a essential 10/10 flaw in TeleControl Server Primary tracked as CVE-2024-44102.

The November 2024 Patch Tuesday Safety Updates

Beneath is the whole listing of resolved vulnerabilities within the November 2024 Patch Tuesday updates.

To entry the complete description of every vulnerability and the methods it impacts, you may view the full report right here.

Replace 11/13/24: Modified variety of flaws to 89 as we beforehand included Edge flaws mounted on November 7.