CVE-2020-27949

This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may cause unexpected changes in memory belonging to processes traced by DTrace...

Unbreakable Enterprise kernel security update

4.1.12-124.57.1 - target; fix print statement warning John Donnelly Orabug: 33495661 - enic;: fix warning on moduleparam disablevlan0, John Donnelly Orabug: 33495661 - bnx2fc: correct BNX2FCTMTIMEOUT to be 60 sec John Donnelly Orabug: 33495661 - target: Fix linux-4.1.y specific compile warning...

CVE-2020-27949

This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may cause unexpected changes in memory belonging to processes traced by DTrace...

CVE-2020-27949

This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may cause unexpected changes in memory belonging to processes traced by DTrace...

Design/Logic Flaw

This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may cause unexpected changes in memory belonging to processes traced by DTrace...

CVE-2020-27949

This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may cause unexpected changes in memory belonging to processes traced by DTrace...

CVE-2020-27949

CVE-2020-27949 involves a memory-access vulnerability in macOS DTrace probes via /dev/fasttrap that allowed a non-privileged process to read (and potentially write) memory of other processes traced under DTrace. The PoC exploit demonstrates creating probes in victim processes and replacing memory...

CVE-2020-27949: Undefined Security Weakness

This issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may cause unexpected changes in memory belonging to processes traced by DTrace...

Exploit for CVE-2020-27949

This is a PoC exploit for CVE-2020-27949, a vulnerability in macOS's DTrace system that allows an attacker to read memory of other processes without elevated permissions. The exploit creates probes in the victim process using the /dev/fasttrap device, which lacks permission checks, allowing any...

Apple Kernel Security Vulnerability

The Apple Kernel is the kernel for Apple devices from Apple Inc. in the United States. A security vulnerability exists in the Apple Kernel that originates from a malicious application that may cause unexpected memory changes in processes belonging to the DTrace trace. The following products and...

Exploit for CVE-2020-27949

Reading and writing memory of other processes using fasttrap T...

PT-2020-16876

Name of the Vulnerable Software and Affected Versions macOS Big Sur versions prior to 11.1 Security Update 2020-001 Catalina affected versions not specified Security Update 2020-007 Mojave affected versions not specified Description The issue allows a malicious application to cause unexpected...

macOS XNU - Missing Locking in checkdirs_callback() Enables Race with fchdir_common()

macOS XNU - Missing Locking in checkdirscallback Enables Race with fchdircommon On macOS, when a new mount point is created, the kernel uses checkdirs to, as a comment above the function explains: "Scan all active processes to see if any of them have a current or root directory onto which the new...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0009)

The remote OracleVM system is missing necessary patches to address critical security updates : - NFS: commit direct writes even if they fail partially J. Bruce Fields Orabug: 28212440 - rds: update correct congestion map for loopback transport Mukesh Kacker Orabug: 29175685 - ext4: only look at t...

Unbreakable Enterprise kernel security update

4.1.12-124.26.1 - NFS: commit direct writes even if they fail partially J. Bruce Fields Orabug: 28212440 - rds: update correct congestion map for loopback transport Mukesh Kacker Orabug: 29175685 - ext4: only look at the bgflags field if it is valid Theodore Tso Orabug: 29316684 CVE-2018-10876...

Unbreakable Enterprise kernel security update

4.14.35-1844.2.5 - x86/apic: Switch all APICs to Fixed delivery mode Thomas Gleixner Orabug: 29262403 4.14.35-1844.2.4 - x86/platform/UV: Add check of TSC state set by UV BIOS [email protected] Orabug: 29205471 - x86/tsc: Provide a means to disable TSC ART [email protected] Orabug: 29205471 -...

macOS < 10.14.3 / iOS < 12.1.3 - Arbitrary mach Port Name Deallocation in XPC Services due to

/ xpcserializerunpack in libxpc parses mach messages which contain xpc messages. There are two reasons for an xpc mach message to contain descriptors: if the message body is large, then it's sent as a MACHMSGOOLDESCRIPTOR. Also if the message contains other port resources eg memory entry ports th...

Joyent SmartOS Elevation of Privilege Vulnerability

Joyent SmartOS is a set of open source operating system from Joyent, Inc. in the United States. A security vulnerability exists in the DTrace DOF file in the Joyent SmartOS release-20170803-20170803T064301Z, which stems from a program that makes it difficult to correctly validate user-submitted...

CVE-2018-1171

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw...

Design/Logic Flaw

This vulnerability allows local attackers to escalate privileges on vulnerable installations of Joyent SmartOS release-20170803-20170803T064301Z. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw...