Microsoft Exchange Server Authenticated SSRF Vulnerability (Zero Day)

A researcher affiliated with Trend Micro’s Zero Day Initiative (ZDI) recently disclosed an authenticated Server-Side Request Forgery (SSRF) zero-day vulnerability within the Microsoft Exchange Server. At the time of writing, the vulnerability was not assigned a CVE identifier. The researcher reported that Microsoft has acknowledged the vulnerability. Microsoft does not plan to release an immediate … Continue reading “Microsoft Exchange Server Authenticated SSRF Vulnerability (Zero Day)”

Microsoft Patch Tuesday, November 2023 Security Update Review

Microsoft released its second last Patch Tuesday edition of the year. We invite you to join us to review and discuss the details of these security updates and patches.   Microsoft Patch Tuesday for November 2023 In this month’s Patch Tuesday edition, Microsoft has addressed a total of 75 vulnerabilities, including five vulnerabilities known to be exploited … Continue reading “Microsoft Patch Tuesday, November 2023 Security Update Review”

Mozilla Patches Zero-day Heap Buffer Overflow Vulnerability (CVE-2023-4863)

Mozilla has released a security patch to address a zero-day vulnerability. Tracked as CVE-2023-4863, the vulnerability is rated as critical. Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code or crash the application on devices running vulnerable versions of Firefox, Firefox ESR, and Thunderbird. Earlier this week, Google addressed the CVE … Continue reading “Mozilla Patches Zero-day Heap Buffer Overflow Vulnerability (CVE-2023-4863)”

Google Chrome Zero-day Heap Overflow Vulnerability (CVE-2023-4863)

Google has released security updates to address a zero-day vulnerability in the widely used web browser Chrome. Tracked as CVE-2023-4863, the CVE has been rated critical by Google. Google is aware of the active exploitation of the vulnerability. CVE-2023-4863 is a Heap Buffer Overflow vulnerability in WebP image format. The vulnerability may allow an attacker … Continue reading “Google Chrome Zero-day Heap Overflow Vulnerability (CVE-2023-4863)”

Apple Patches Actively Exploited Zero-day Vulnerability in macOS Ventura, iOS and iPadOS (CVE-2023-37450)

Apple has released patches for an actively exploited zero-day vulnerability in macOS Ventura, iOS, and iPadOS. Apple has mentioned in the advisory that they are aware of the issue being exploited. The vulnerability, CVE-2023-37450, was reported by an anonymous researcher. CISA has added the zero-day vulnerability to its Known Exploited Vulnerabilities Catalog and recommended users … Continue reading “Apple Patches Actively Exploited Zero-day Vulnerability in macOS Ventura, iOS and iPadOS (CVE-2023-37450)”

Multiple Vulnerabilities Patched In Zimbra Collaboration Suite (ZCS)

Zimbra has issued a security update to address multiple vulnerabilities in its Collaboration Suite (ZCS) product. The CVEs patched in the latest security update of ZCS are CVE-2022-27926, CVE-2021-40438, CVE-2021-39275, CVE-2021-21702, CVE-2022-27925, and CVE-2022-27924. CISA has included CVE-2022-27926 in its Known Exploited Vulnerabilities Catalog. Zimbra Collaboration Suite is a widely deployed web client and email … Continue reading “Multiple Vulnerabilities Patched In Zimbra Collaboration Suite (ZCS)”

Fortinet FortiOS Path Traversal Vulnerability (CVE-2022-41328)

Fortinet has recently issued advisories and warnings regarding several vulnerabilities in its products, including FortiOS, FortiProxy, and FortiSwitchManager. One of the most critical vulnerabilities is a path traversal vulnerability in FortiOS (CVE-2022-41328). A privileged attacker may read and write arbitrary files via crafted CLI commands. Threat groups have been using zero-day exploits to abuse the … Continue reading “Fortinet FortiOS Path Traversal Vulnerability (CVE-2022-41328)”

Apple Releases Security Updates to patch two Zero-Day Vulnerabilities (CVE-2022-32893 and CVE-2022-32894)

Apple has rolled out emergency security updates to patch two zero-day vulnerabilities, known to be under exploitation to hack iPhones, iPads and Macs. The two zero-days are being tracked as CVE-2022-32893 and CVE-2022-32894. The vulnerabilities are known to affect all iPhones, iPads and MacOS. CVE-2022-32893 is an out-of-bounds vulnerability that might lead to arbitrary code … Continue reading “Apple Releases Security Updates to patch two Zero-Day Vulnerabilities (CVE-2022-32893 and CVE-2022-32894)”

Google Chrome Zero-Day Insufficient Input Validation Vulnerability (CVE-2022-2856)

Google has rolled out patches for its chrome browser addressing multiple vulnerabilities, including a high severity zero-day vulnerability (CVE-2022-2856). Google addressed the vulnerability stating, “Google is aware that an exploit for CVE-2022-2856 exists in the wild”. The security update is currently rolling out for Windows, Mac and Linux Operating systems. Google described the zero-day (CVE-2022-2856) … Continue reading “Google Chrome Zero-Day Insufficient Input Validation Vulnerability (CVE-2022-2856)”

Apple Zero-Day Arbitrary Code Execution Vulnerabilities (CVE-2021-30858 and CVE-2021-30860)

Apple released an emergency security release on September 13, 2021 to address two arbitrary code execution vulnerabilities, CVE-2021-30858 and CVE-2021-30860. According to Apple, both vulnerabilities allow maliciously crafted documents to execute arbitrary code on vulnerable devices. Apple addressed the issue saying, “Apple is aware of a report that this issue may have been actively exploited.” … Continue reading “Apple Zero-Day Arbitrary Code Execution Vulnerabilities (CVE-2021-30858 and CVE-2021-30860)”