edk2: Function GetEfiGlobalVariable2() return value not checked in DxeImageVerificationHandler()

REJECTED CVE A secure boot bypass vulnerability was found in EDK2 due to the lack of proper return value checks in the GetEfiGlobalVariable2 function. The API may fail if functions like AllocatePool or gRT-GetVariable fail. Without verifying the return value, an attacker could cause the API to...

edk2: Function GetEfiGlobalVariable2() return value not checked in DxeImageVerificationHandler()

REJECTED CVE A secure boot bypass vulnerability was found in EDK2 due to the lack of proper return value checks in the GetEfiGlobalVariable2 function. The API may fail if functions like AllocatePool or gRT-GetVariable fail. Without verifying the return value, an attacker could cause the API to...

CVE-2023-47271

PKP-WAL aka PKP Web Application Library or pkp-lib before 3.3.0-16, as used in Open Journal Systems OJS and other products, does not verify that the file named in an XML document used for the native import/export plugin is an image file, before trying to use it for an issue cover image...

Cisco IOS XR Software iPXE Boot Signature Bypass (cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to...

CVE-2023-20236

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

CVE-2023-20135

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

CVE-2023-20135

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

CVE-2023-20236

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

Race condition

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

Design/Logic Flaw

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

CVE-2023-20236

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

CVE-2023-20236

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

CVE-2023-20135

Cisco IOS XR Software image verification checks contain a TOCTOU race condition during ISO image install queries, enabling an authenticated, local attacker to execute arbitrary code on the device. Affected component: image verification logic in IOS XR. Root cause: TOCTOU between ISO image modific...

CVE-2023-20135

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

Cisco IOS XR Software iPXE Boot Signature Bypass Vulnerability

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

Cisco IOS XR Software Image Verification Vulnerability

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

PT-2023-5460 · Cisco · Cisco Ios Xr

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Description: A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system...

Cisco IOS XE Software 安全漏洞

Cisco IOS XE Software is an operating system from Cisco, Inc. A single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity. A security vulnerability exists in Cisco IOS XE Software that originates from an erro...

GO-2022-1180 Verification rule bypass in github.com/kyverno/kyverno

A malicious proxy/registry can bypass verifyImages rules...

GHSA-M3CQ-XCX9-3GVM kyverno verifyImages rule bypass possible with malicious proxy/registry

Impact Users of Kyverno on versions 1.8.3 or 1.8.4 who use verifyImages rules to verify container image signatures, and do not prevent use of unknown registries. Patches This issue has been fixed in version 1.8.5 Workarounds Configure a Kyverno policy to restrict registries to a set of secure...