SSD Advisory – Chrome Type Confusion in JSCreateObject Operation to RCE

Vulnerabilities Summary
The following advisory discusses a vulnerability found in turbofan, the JIT compiler. We can trigger the JavaScript code in a way that leads to type confusion that can be exploited in order to execute code remotely on Google Chrome Versions 69.0 and before.

Vendor Response
Vendor has fixed the issue in Google Chrome version 70.

CVE
CVE-2018-17463

Credit
Independent security researcher, Samuel Groß, had reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Affected systems
Google Chrome Versions 69.0 and before.
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SSD Advisory – Firefox JavaScript Type Confusion RCE

Vulnerabilities Summary
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write, which leads to remote code execution inside the sandboxed content process when triggered.

Vendor Response
The reported security vulnerability was fixed in Firefox 62.0.3 and Firefox ESR 60.2.2.

CVE
CVE-2018-12386

Credit
Independent security researchers, Niklas Baumstark, Samuel Groß and Bruno Keith, had reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.
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SSD Advisory – Firefox Information Leak

Vulnerabilities Summary
A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process.

Vendor Response
The security vulnerability was fixed in Firefox 62.0.3 and Firefox ESR 60.2.2

CVE
CVE-2018-12387

Credit
Independent security researchers, Bruno Keith and Niklas Baumstark, have reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.
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SSD Advisory – Cisco Prime Infrastructure File Inclusion and Remote Command Execution to Privileges Escalation

Vulnerabilities Summary
Cisco Prime Infrastructure (CPI) contains two vulnerabilities that when exploited allow an unauthenticated attacker to achieve root privileges and execute code remotely. The first vulnerability is a file upload vulnerability that allows the attacker to upload and execute JSP files as the Apache Tomcat user. The second vulnerability is a privilege escalation to root by bypassing execution restrictions in a SUID binary.

Vendor Response
Cisco has issued an advisory, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-pi-tftp, which provides a workaround and a fix for the vulnerability. From our assessment the provided fix only addresses the file uploading part of the exploit, not the file inclusion, the ability to execute arbitrary code through it or the privileges escalation issue that the product has.

CVE
CVE-2018-15379

Credit
An independent security researcher, Pedro Ribeiro, has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.
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