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CVE-2019-6205

Status Candidate

Overview

A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.

Related Files

XNU vm_map_copy Insufficient Fix
Posted Jan 22, 2020
Authored by Google Security Research, ianbeer

An insufficient fix for CVE-2019-6205 means XNU vm_map_copy optimization which requires atomicity still is not atomic.

tags | exploit
advisories | CVE-2019-6205, CVE-2019-8833
MD5 | f8e6dfd4187cd8bfbcbdada394e14738
XNU vm_map_copy Optimization Issue
Posted Jan 31, 2019
Authored by Google Security Research, ianbeer

XNU vm_map_copy optimization which requires atomicity is not atomic. This violates the semantics of mach message OOL memory, and leads to TOCTOU issues which can lead to memory corruption.

tags | exploit
advisories | CVE-2019-6205
MD5 | de2284e251a10f0384f76a0857085c48
Apple Security Advisory 2019-1-22-2
Posted Jan 23, 2019
Authored by Apple | Site apple.com

Apple Security Advisory 2019-1-22-2 - macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra are now available and addresses buffer overflow, code execution, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2018-20346, CVE-2018-20505, CVE-2018-20506, CVE-2018-4452, CVE-2018-4467, CVE-2019-6200, CVE-2019-6202, CVE-2019-6205, CVE-2019-6208, CVE-2019-6209, CVE-2019-6210, CVE-2019-6211, CVE-2019-6213, CVE-2019-6214, CVE-2019-6218, CVE-2019-6219, CVE-2019-6220, CVE-2019-6221, CVE-2019-6224, CVE-2019-6225, CVE-2019-6230, CVE-2019-6231, CVE-2019-6235
MD5 | cae67bf4c690937155c39a1c52919589
Apple Security Advisory 2019-1-22-4
Posted Jan 23, 2019
Authored by Apple | Site apple.com

Apple Security Advisory 2019-1-22-4 - tvOS 12.1.2 is now available and addresses buffer overflow, code execution, and cross site scripting vulnerabilities.

tags | advisory, overflow, vulnerability, code execution, xss
systems | apple
advisories | CVE-2018-20346, CVE-2018-20505, CVE-2018-20506, CVE-2019-6205, CVE-2019-6208, CVE-2019-6209, CVE-2019-6210, CVE-2019-6212, CVE-2019-6213, CVE-2019-6214, CVE-2019-6215, CVE-2019-6216, CVE-2019-6217, CVE-2019-6218, CVE-2019-6224, CVE-2019-6225, CVE-2019-6226, CVE-2019-6227, CVE-2019-6229, CVE-2019-6230, CVE-2019-6231, CVE-2019-6233, CVE-2019-6234, CVE-2019-6235
MD5 | 2db6b97ccc1959b9d75c1b7dda8babf0
Apple Security Advisory 2019-1-22-1
Posted Jan 23, 2019
Authored by Apple | Site apple.com

Apple Security Advisory 2019-1-22-1 - iOS 12.1.3 is now available and addresses buffer overflow, code execution, cross site scripting, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution, xss
systems | apple, ios
advisories | CVE-2018-20346, CVE-2018-20505, CVE-2018-20506, CVE-2019-6200, CVE-2019-6202, CVE-2019-6205, CVE-2019-6206, CVE-2019-6208, CVE-2019-6209, CVE-2019-6210, CVE-2019-6211, CVE-2019-6212, CVE-2019-6213, CVE-2019-6214, CVE-2019-6215, CVE-2019-6216, CVE-2019-6217, CVE-2019-6218, CVE-2019-6219, CVE-2019-6221, CVE-2019-6224, CVE-2019-6225, CVE-2019-6226, CVE-2019-6227, CVE-2019-6228, CVE-2019-6229, CVE-2019-6230, CVE-2019-6231
MD5 | cef74c03163f07af6eff63d9b039b7b2
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