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Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
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March 25, 2023Severity Medium Analysis Summary GandCrab – a ransomware-as-a-service variant – was discovered in early 2018. At least five versions of GandCrab have been created since its […]March 25, 2023Severity Medium Analysis Summary NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple […]March 24, 2023Severity Medium Analysis Summary CVE-2023-20113 Cisco SD-WAN vManage Software is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Platform
Managed Security Services
Managed Penetration Testing
Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Resources
March 25, 2023Severity Medium Analysis Summary GandCrab – a ransomware-as-a-service variant – was discovered in early 2018. At least five versions of GandCrab have been created since its […]March 25, 2023Severity Medium Analysis Summary NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple […]March 24, 2023Severity Medium Analysis Summary CVE-2023-20113 Cisco SD-WAN vManage Software is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Rewterz Threat Advisory – Multiple Microsoft Defender Vulnerabilities
February 20, 2023Rewterz Threat Advisory – CVE-2023-25613 – Apache Kerby Vulnerability
February 21, 2023
Severity
Medium
Analysis Summary
CVE-2023-23918 CVSS:6.5
Node.js could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw when enable the experimental permissions option with –experimental-policy. By sending a specially-crafted request using process.mainModule.require(), an attacker could exploit this vulnerability to bypass Permissions and access non authorized modules.
CVE-2023-23919 CVSS:5.9
Node.js is vulnerable to a denial of service, caused by not clear the OpenSSL error stack after operations. By sending specially-crafted cryptographic operations, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVE-2023-23936 CVSS:6.5
Node.js is vulnerable to CRLF injection, caused by a flaw in the fetch API. By sending a specially-crafted HTTP response containing CRLF character sequences, a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning, session hijacking, HTTP response splitting or HTTP header injection.
CVE-2023-24807 CVSS:7.5
Node.js is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the Headers.set() and Headers.append() methods in the fetch API. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVE-2023-23920 CVSS:2.7
Node.js could allow a remote authenticated attacker to bypass security restrictions, caused by improper access control. By sending a specially-crafted request using ICU_DATA environment variable, an attacker could exploit this vulnerability to search and potentially load ICU data.
Impact
- Security Bypass
- Unauthorized Access
- Denial of Service
Indicators Of Compromise
CVE
CVE-2023-23918
CVE-2023-23919
CVE-2023-23936
CVE-2023-24807
CVE-2023-23920
Affected Vendors
Node.js
Affected Products
- Node.js 14.0
- Node.js 16.0
- Node.js 18.0Node.js 19.0
Remediation
Refer to GitHub Website for patch, upgrade or suggested workaround information.