CVE-2020-14977

An issue was discovered in F-Secure SAFE 17.7 on macOS. The XPC services use the PID to identify the connecting client, which allows an attacker to perform a PID reuse attack and connect to a privileged XPC service, and execute privileged commands on the system. NOTE: the attacker needs to execut...

CVE-2020-14978

An issue was discovered in F-Secure SAFE 17.7 on macOS. Due to incorrect client version verification, an attacker can connect to a privileged XPC service, and execute privileged commands on the system. NOTE: the attacker needs to execute code on an already compromised machine...

Mozilla: Type Confusion in XPCVariant.cpp

Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.4 and Firefox 72...

Mozilla: Type Confusion in XPCVariant.cpp

Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR 68.4 and Firefox 72...

Nord Security: Vulnerabilities chain leading to privilege escalation

The researcher provided us with a chain of 5 vulnerabilities. By chaining all of them together, the attacker is able to establish a valid XPC connection with the privileged helper. Then, the attacker is able to send a message to open a binary located in the controlled location that has a symlink...

Clario: Local Privilege escalation to root via XPC

Summary The application is divided into a few parts responsible for different actions. The standard, running with user permissions parts are: MacKeeper MacKeeperAgent MacKeeper communicates with more privileged root part named com.mackeeper.MacKeeperPrivilegedHelper that is located in the...

iOS 12.4 - Sandbox Escape due to Integer Overflow in mediaserverd

iOS 12.4 - Sandbox Escape due to Integer Overflow in mediaserverd mediaserverd has various media parsing responsibilities; its reachable from various sandboxes and is able to talk to interesting kernel drivers so is a valid target in an exploit chain. One of the services it vends is...

iOS 12.4 - Sandbox Escape due to Integer Overflow in mediaserverd

mediaserverd has various media parsing responsibilities; its reachable from various sandboxes and is able to talk to interesting kernel drivers so is a valid target in an exploit chain. One of the services it vends is com.apple.audio.AudioFileServer, a fairly simple XPC service which will parse...

In-depth exploration found in the wild iOS exploit chain III-vulnerability warning-the black bar safety net

Overview This article exploits the chain's target is iOS 11-11. 4. 1, spanning nearly 10 months. This is what we observed first having a separate sandbox escape exploits chain. The sandbox escape vulnerability is libxpc in more serious security problem, wherein the reconstruction will lead to a W...

In-depth exploration found in the wild iOS exploit chain IV-vulnerability warning-the black bar safety net

Overview This exploit chain for iOS 12 – 12.1 version, when we found in the wild exploit of the chain, the two vulnerabilities are no official patch released. So we to an Apple reported two vulnerabilities in the 7 days after the iOS release 12. 1. 4 updated version. Here's the sandbox escape...

In-the-wild iOS Exploit Chain 3

Posted by Ian Beer, Project Zero TL;DR This chain targeted iOS 11-11.4.1, spanning almost 10 months. This is the first chain we observed which had a separate sandbox escape exploit. The sandbox escape vulnerability was a severe security regression in libxpc, where refactoring lead to a bounds che...

In-the-wild iOS Exploit Chain 4

Posted by Ian Beer, Project Zero TL;DR This exploit chain supported iOS 12-12.1, although the two vulnerabilities were unpatched when we discovered the chain in the wild. It was these two vulnerabilities which we reported to Apple with a 7-day deadline, leading to the release of iOS 12.1.4. The...

CVE-2019-13013

Little Snitch versions 4.3.0 to 4.3.2 have a local privilege escalation vulnerability in their privileged helper tool. The privileged helper tool implements an XPC interface which is available to any process and allows directory listings and copying files as root...

Privilege escalation

Little Snitch versions 4.3.0 to 4.3.2 have a local privilege escalation vulnerability in their privileged helper tool. The privileged helper tool implements an XPC interface which is available to any process and allows directory listings and copying files as root...

CVE-2019-13013

Little Snitch versions 4.3.0 to 4.3.2 have a local privilege escalation vulnerability in their privileged helper tool. The privileged helper tool implements an XPC interface which is available to any process and allows directory listings and copying files as root...

CVE-2019-13013

CVE-2019-13013 affects Little Snitch versions 4.3.0 to 4.3.2. The vulnerability lies in the privileged helper tool, which exposes an XPC interface accessible to any process and allows directory listings and copying files as root, enabling local privilege escalation. The available connected docume...

Privilege escalation

Kromtech MacKeeper 3.20.4 suffers from a root privilege escalation vulnerability through its com.mackeeper.AdwareAnalyzer.AdwareAnalyzerPrivilegedHelper component. The AdwareAnalzyerPrivilegedHelper tool implements an XPC service that allows an unprivileged application to connect and execute shel...

CVE-2018-10171

Kromtech MacKeeper 3.20.4 suffers from a root privilege escalation vulnerability through its com.mackeeper.AdwareAnalyzer.AdwareAnalyzerPrivilegedHelper component. The AdwareAnalzyerPrivilegedHelper tool implements an XPC service that allows an unprivileged application to connect and execute shel...

CVE-2018-10171

Kromtech MacKeeper 3.20.4 suffers from a root privilege escalation vulnerability through its com.mackeeper.AdwareAnalyzer.AdwareAnalyzerPrivilegedHelper component. The AdwareAnalzyerPrivilegedHelper tool implements an XPC service that allows an unprivileged application to connect and execute shel...

iOS 12.1.3 - cfprefsd Memory Corruption Exploit

// c 2019 ZecOps, Inc. - https://www.zecops.com - Find Attackers' Mistakes // Intended only for educational and defensive purposes only. // Use at your own risk. // iOS 12.1.3 - cfprefsd Memory Corruption Exploit include import include include include include include define AGENT 1 define...