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,...

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...

Null pointer dereference in sslvnd

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PT-2023-3230 · Fortinet · Fortiproxy +1

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...

Null pointer dereference in sslvpnd proxy endpoint

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Heap buffer overflow in sslvpn pre-authentication

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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...

PT-2023-3075

Name of the Vulnerable Software and Affected Versions FortiOS versions prior to 7.2.5 FortiOS versions prior to 7.0.12 FortiOS versions prior to 6.4.13 FortiOS versions prior to 6.0.17 FortiProxy versions prior to 7.2.4 FortiProxy versions prior to 7.0.10 FortiProxy versions prior to 2.0.13...

Prompt error "Cannot start desktop" when launching desktop through SSLVPN

End-users fist build SSLVPN connection to Citrix Gateway: Access Storefront directly tolaunch their desktops. Below error prompt:"Cannot start desktop ". ICA file cannot be downloaded...

Citrix ADC and Citrix Gateway Multiple Vulnerabilities (CTX477714)

The remote Citrix ADC or Citrix Gateway device is version 12.1 before 12.1-65.35, 12.1-FIPS before 12.1-55.296, 13.0 before 13.0-90.11 or 13.1 before 13.1-45.61. It is therefore affected by multiple vulnerabilities: - A cross-site scripting vulnerability affecting appliances configured as a Gatew...

Fortinet Fortigate Policy-based NGFW SSL VPN mode doesn't filter accesses via Bookmarks (FG-IR-22-381)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-22-381 advisory. - A permissive list of allowed inputs vulnerability CWE-183 in FortiGate version 7.2.3 and below, version 7.0.9 and below...

CVE-2022-42469

A permissive list of allowed inputs vulnerability CWE-183 in FortiGate version 7.2.3 and below, version 7.0.9 and below Policy-based NGFW Mode may allow an authenticated SSL-VPN user to bypass the policy via bookmarks in the web portal...

Code injection

A permissive list of allowed inputs vulnerability CWE-183 in FortiGate version 7.2.3 and below, version 7.0.9 and below Policy-based NGFW Mode may allow an authenticated SSL-VPN user to bypass the policy via bookmarks in the web portal...

CVE-2022-42469

Fortinet CVE-2022-42469 corresp. to a permissive list of allowed inputs vulnerability in FortiGate Policy-based NGFW Mode. An authenticated SSL-VPN user could bypass policy via bookmarks in the FortiGate web portal on FortiGate versions 7.2.3 and below and 7.0.9 and below. The issue is addressed ...

CVE-2022-42469

A permissive list of allowed inputs vulnerability CWE-183 in FortiGate version 7.2.3 and below, version 7.0.9 and below Policy-based NGFW Mode may allow an authenticated SSL-VPN user to bypass the policy via bookmarks in the web portal...