PT-2023-3239

Name of the Vulnerable Software and Affected Versions FortiOS versions prior to 7.2.5 FortiOS versions prior to 7.0.11 FortiOS versions prior to 6.4.13 FortiProxy versions prior to 7.2.4 FortiProxy versions prior to 7.0.10 Description The issue is related to a null pointer dereference that can...

Authenticated user null pointer dereference in SSL-VPN

A NULL pointer dereference vulnerability CWE-476 in SSL-VPN may allow an authenticated remote attacker to trigger a crash of the SSL-VPN service via crafted requests...

CISA Order Highlights Persistent Risk at Network Edge

The U.S. government agency in charge of improving the nations cybersecurity posture is ordering all federal agencies to take new measures to restrict access to Internet-exposed networking equipment. The directive comes amid a surge in attacks targeting previously unknown vulnerabilities in widely...

CVE-2023-27997

A heap-based buffer overflow vulnerability CWE-122 in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all...

Heap overflow

A heap-based buffer overflow vulnerability CWE-122 in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all...

Fortinet Releases Patch for Pre-announced Critical Vulnerability

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Fortinet has addressed a critical vulnerability in FortiOS and FortiProxy SSL-VPN, resolving a heap-based buffer overflow pre-authentication flaw. This update is crucial because the vulnerability...

CVE-2023-27997

A heap-based buffer overflow vulnerability CWE-122 in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all...

CVE-2023-27997

CVE-2023-27997 is a heap-based buffer overflow in Fortinet FortiOS SSL‑VPN (and FortiProxy) that allows remote code execution via specially crafted requests. Affected families include FortiOS: 7.2.x <=7.2.4, 7.0.x <=7.0.11, 6.4.x <=6.4.12, 6.0.x <=6.0.16; FortiProxy: 7.2.x <=7.2.3,...

CVE-2023-27997

A heap-based buffer overflow vulnerability CWE-122 in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all...

Critical FortiOS and FortiProxy Vulnerability Likely Exploited - Patch Now!

Fortinet on Monday disclosed that a newly patched critical flaw impacting FortiOS and FortiProxy may have been "exploited in a limited number of cases" in attacks targeting government, manufacturing, and critical infrastructure sectors. The vulnerability, dubbed XORtigate and tracked as...

CVE-2023-27997

A heap-based buffer overflow vulnerability CWE-122 in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all...

CVE-2023-27997: Heap-based Buffer Overflow

A heap-based buffer overflow vulnerability CWE-122 in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all...

FortiOS SSL-VPN Portal Code Execution

The vulnerability of the SSL-VPN portal for FortiOS operating systems and the FortiProxy proxy server used for protecting against internet attacks is related to the possibility of buffer overflow attacks. Exploiting this vulnerability allows a malicious actor to execute arbitrary code by sending...

Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability

Fortinet FortiOS and FortiProxy SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute code or commands via specifically crafted requests...

Critical RCE Flaw Discovered in Fortinet FortiGate Firewalls - Patch Now!

Fortinet has released patches to address a critical security flaw in its FortiGate firewalls that could be abused by a threat actor to achieve remote code execution. The vulnerability, tracked as CVE-2023-27997, is "reachable pre-authentication, on every SSL VPN appliance," Lexfo Security...

PT-2023-3230

Name of the Vulnerable Software and Affected Versions FortiOS versions 6.0.0 through 6.0.16 FortiOS versions 6.2.0 through 6.2.14 FortiOS versions 6.4.0 through 6.4.12 FortiOS versions 7.0.0 through 7.0.11 FortiOS versions 7.2.0 through 7.2.4 FortiProxy versions 1.0.0 through 1.0.7 FortiProxy...

Heap buffer overflow in sslvpn pre-authentication

A heap-based buffer overflow vulnerability CWE-122 in FortiOS and FortiProxy SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests. Disable SSL-VPN...

Null pointer dereference in sslvpnd proxy endpoint

A NULL pointer dereference vulnerability CWE-476 in FortiOS may allow an authenticated attacker to crash the SSL-VPN daemon via specially crafted HTTP requests to the /proxy endpoint...

Null pointer dereference in sslvnd

A NULL pointer dereference vulnerability CWE-476 in FortiOS may allow a remote unauthenticated attacker to crash the SSL-VPN daemon via specially crafted HTTP requests...

Vulnerabilities fixed in Fortinet FortiGate

Fortinet has released updates to its FortiGate software. Security researchers indicate that in these updates a serious vulnerability has been fixed in the VPN-SSL. A malicious party could exploit the vulnerability to execute arbitrary code without prior authentication to execute arbitrary code on...