macOS 10.14.x < 10.14.4 Multiple Vulnerabilities

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macOS 10.14.x < 10.14.1 Multiple Vulnerabilities

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macOS 10.13.x < 10.13.6 Multiple Vulnerabilities

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CVE-2018-4435

CVE-2018-4435 is a kernel-level logic issue addressed by Apple across multiple platforms. According to the initial entry, the vulnerability affected iOS before 12.1.1, macOS Mojave before 10.14.2, tvOS before 12.1.1, and watchOS before 5.1.2, and was fixed by applying improved restrictions. Suppo...

iOS/macOS 10.13.6 - 'if_ports_used_update_wakeuuid()' 16-byte Uninitialized Kernel Stack Disclosure

/ macOS 10.13.4 introduced the file bsd/net/ifportsused.c, which defines sysctls for inspecting ports, and added the function IOPMCopySleepWakeUUIDKey to the file iokit/Kernel/IOPMrootDomain.cpp. Here's the code of the latter function: extern "C" bool IOPMCopySleepWakeUUIDKeychar buffer, sizet...

CVE-2018-4185

CVE-2018-4185 affects Apple OS X/iOS family (iOS before 11.3, tvOS before 11.3, watchOS before 4.3, macOS before High Sierra 10.13.4). The issue is an information disclosure in the transition of program state, addressed by improved state handling. Public documents confirm the kernel/state-transit...

MacPaw CleanMyMac X Input Validation Vulnerability (CNVD-2019-23277)

MacPaw CleanMyMac X is a cleaning tool dedicated to the macOS platform. The product is capable of removing junk files, history cache, logs, etc. from your computer. MacPaw CleanMyMac X version 4.04 suffers from an input validation vulnerability that can be exploited by local attackers to cause a...

macOS 10.14.1 Carbon Core Memory corruption Vulnerability

CVE: CVE-2018-4463 Old and funny bug CVE-2018-4463 was patched by Apple in last macOS security update. Since 2015 Apple was exposing the users using Apple’s filesystem for stack overflow and infection by hidedd malware in DMG image. Insufficient patch for old vulnerability is the cause of problem...

Design/Logic Flaw

Nibbleblog 4.0.5 on macOS defaults to having .DSStore in each directory, causing DSStore information to leak...

macOS - 'sysctl_vfs_generic_conf' Stack Leak Through Struct Padding

/ The sysctls vfs.generic.conf. are handled by sysctlvfsgenericconf, which is implemented as follows: static int sysctlvfsgenericconf SYSCTLHANDLERARGS int name, namelen; struct vfstable vfsp; struct vfsconf vfsc; voidoidp; name = arg1; namelen = arg2; check for namelen==1 mountlistlock; for vfsp...

macOS - process_policy Stack Leak Through Uninitialized Field

macOS - processpolicy Stack Leak Through Uninitialized Field / The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kernel stack...

iOS/MacOS kernel double free due to IOSurfaceRootUserClient not respecting MIG ownership rules(CVE-2017-13861)

I have previously detailed the lifetime management paradigms in MIG in the writeups for: CVE-2016-7612 https://bugs.chromium.org/p/project-zero/issues/detail?id=926 and CVE-2016-7633 https://bugs.chromium.org/p/project-zero/issues/detail?id=954 If a MIG method returns KERNSUCCESS it means that th...

macOS necp_get_socket_attributes so_pcb Type Confusion Exploit

Exploit for macOS platform in category dos / poc MacOS sopcb type confusion in necpgetsocketattributes CVE-2017-13855 When setsockopt is called on any socket with level SOLSOCKET and optname SONECPATTRIBUTES, necpgetsocketattributes is invoked. necpgetsocketattributes unconditionally calls...

Apple macOS 10.13.1 High Sierra - Insecure Cron System Local Privilege Escalation Vulnerability

Apple macOS version 10.13.1 High Sierra suffers from a cron related local privilege escalation vulnerability that allows you to gain root privileges. Recently I was working on an security issue in some other software that has yet to be disclosed which created a rather interesting condition. As a...

Apple macOS 10.13.1 High Sierra Cron Privilege Escalation

Recently I was working on an security issue in some other software that has yet to be disclosed which created a rather interesting condition. As a non-root user I was able to write to any file on the system that was not SIP-protected but the resulting file would not be root-owned, even if it...

Apple macOS 10.13.1 (High Sierra) - Insecure Cron System Local Privilege Escalation

Recently I was working on an security issue in some other software that has yet to be disclosed which created a rather interesting condition. As a non-root user I was able to write to any file on the system that was not SIP-protected but the resulting file would not be root-owned, even if it...

This Week in Security News

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. Below you’ll find a quick recap of topics followed by links to news articles and/or our blog posts providing additional insight. Be sure to check back...

CVE-2017-2535

An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Security" component. It allows attackers to conduct sandbox-escape attacks or cause a denial of service resource consumption via a crafted app...

Apple macOS 10.12.2 iOS 10.2 - _kernelrpc_mach_port_insert_right_trap Kernel Reference Count Leak Use-After-Free

Apple macOS 10.12.2 iOS 10.2 - kernelrpcmachportinsertrighttrap Kernel Reference Count Leak Use-After-Free / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=941 Proofs of Concept: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/40956.zip The...

Apple Mac OSX 10.9.x - sysmond XPC Privilege Escalation

Apple Mac OSX 10.9.x - sysmond XPC Privilege Escalation / Source: https://code.google.com/p/google-security-research/issues/detail?id=121 / / tested on OS X 10.9.5 - uses some hard-coded offsets which will have to be fixed-up for other versions! this poc uses liblorgnette to resolve some private...