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CVE-2020-9850

Status Candidate

Overview

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. A remote attacker may be able to cause arbitrary code execution.

Related Files

Safari Type Confusion / Sandbox Escape
Posted Oct 1, 2020
Authored by timwr, Insu Yun, Taesoo Kim, Jungwon Lim, Yonghwi Jin | Site metasploit.com

This Metasploit module exploits an incorrect side-effect modeling of the 'in' operator. The DFG compiler assumes that the 'in' operator is side-effect free, however the embed element with the PDF plugin provides a callback that can trigger side-effects leading to type confusion (CVE-2020-9850). The type confusion can be used as addrof and fakeobj primitives that then lead to arbitrary read/write of memory. These primitives allow us to write shellcode into a JIT region (RWX memory) containing the next stage of the exploit. The next stage uses CVE-2020-9856 to exploit a heap overflow in CVM Server, and extracts a macOS application containing our payload into /var/db/CVMS. The payload can then be opened with CVE-2020-9801, executing the payload as a user but without sandbox restrictions.

tags | exploit, overflow, arbitrary, shellcode
advisories | CVE-2020-9801, CVE-2020-9850, CVE-2020-9856
MD5 | 2dc9b201150ea12e09390643b437b269
Gentoo Linux Security Advisory 202007-11
Posted Jul 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202007-11 - Multiple vulnerabilities have been found in WebKitGTK+, the worst of which could result in the arbitrary execution of code. Versions less than 2.28.3 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-13753, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805, CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
MD5 | 1a26279f73b0b86f45092ec58ea9167a
Apple Security Advisory 2020-05-26-10
Posted May 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-05-26-10 - iCloud for Windows 7.19 is now available and addresses code execution, cross site scripting, denial of service, out of bounds read, and out of bounds write vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss
systems | windows, apple, 7
advisories | CVE-2020-3878, CVE-2020-9789, CVE-2020-9790, CVE-2020-9794, CVE-2020-9800, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805, CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
MD5 | 1914f521bdf896420dfcdb61d01d022f
Apple Security Advisory 2020-05-26-9
Posted May 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-05-26-9 - iCloud for Windows 11.2 is now available and addresses code execution, cross site scripting, denial of service, out of bounds read, and out of bounds write vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss
systems | windows, apple
advisories | CVE-2020-3878, CVE-2020-9789, CVE-2020-9790, CVE-2020-9794, CVE-2020-9800, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805, CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
MD5 | 505d9135fc0282789086d7a39861e439
Apple Security Advisory 2020-05-26-8
Posted May 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-05-26-8 - iTunes 12.10.7 for Windows addresses code execution, cross site scripting, denial of service, out of bounds read, and out of bounds write vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss
systems | windows, apple
advisories | CVE-2020-3878, CVE-2020-9789, CVE-2020-9790, CVE-2020-9794, CVE-2020-9800, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805, CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
MD5 | 291e94da2513acdd977e166aa42053c6
Apple Security Advisory 2020-05-26-7
Posted May 29, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-05-26-7 - Safari 13.1.1 is now available and addresses code execution and cross site scripting vulnerabilities.

tags | advisory, vulnerability, code execution, xss
systems | apple
advisories | CVE-2019-20503, CVE-2020-9800, CVE-2020-9801, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805, CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
MD5 | 22da1b429e77c46ccafd69d8581e49f7
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