SSD Advisory – CloudMe Unauthenticated Remote Buffer Overflow

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The following advisory describes one (1) vulnerability found in CloudMe.

CloudMe is “a file storage service operated by CloudMe AB that offers cloud storage, file synchronization and client software. It features a blue folder that appears on all devices with the same content, all files are synchronized between devices.”

The vulnerability found is a buffer overflow vulnerability, which when exploited can be used to cause the product to execute arbitrary code.

Credit
A security researcher from, hyp3rlinx, has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program

Vendor response
The vendor has released CloudMe version 1.11.0 which addresses this vulnerability.

CVE: CVE-2018-6892
Continue reading SSD Advisory – CloudMe Unauthenticated Remote Buffer Overflow

SSD Advisory – Python Bytecode Disassembler and Decompiler (pycdc) Multiple Vulnerabilities

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Vulnerabilities summary
The following advisory describes 12 (twelve) vulnerabilities found in Python Bytecode Disassembler and Decompiler (pycdc).

Python Bytecode Disassembler and Decompiler (pycdc) “aims to translate compiled Python byte-code back into valid and human-readable Python source code. While other projects have achieved this with varied success, Decompyle++ is unique in that it seeks to support byte-code from any version of Python.”

The vulnerabilities found are:

  • Heap buffer overflow (2)
  • Null pointer (8)
  • Global buffer overflow
  • Singed integer overflow

Credit
An independent security researcher from Geeknik Labs has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Vendor response
Michael Hansen was informed of the vulnerability and release a patches to address them.
For more details: https://github.com/zrax/pycdc/commit/bf60a5831bd3d3c8aa0544c5aefab3310de5d615

PoC
At this time we will not disclose PoC – we may release these later when users of the python code have updated their systems.

SSD Advisory – Livebox Fibra (Orange Router) Multiple Vulnerabilities

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Vulnerabilities Summary
The following advisory describes four (4) vulnerabilities found in Livebox Fibra router version AR_LBFIBRA\_sp-00.03.04.112S. It is possible to chain the vulnerabilities into remote code execution.

The “Livebox Fibra” router is “manufactured by Arcadyan for Orange and Jazztel in Spain”

The vulnerabilities found in Arcadyan routers are:

  • Unauthenticated configuration information leak
  • Hard-coded credentials
  • Memory leak
  • Stack buffer Overflow

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

Vendor response
Arcadyan and Orange were informed of the vulnerabilities and patched them.
Continue reading SSD Advisory – Livebox Fibra (Orange Router) Multiple Vulnerabilities

SSD Advisory – Kingsoft Antivirus/Internet Security 9+ Privilege Escalation

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Vulnerability Summary
The following advisory describes a kernel stack buffer overflow that leads to privilege escalation found in Kingsoft Antivirus/Internet Security 9+.

Kingsoft Antivirus “provides effective and efficient protection solution at no cost to users. It applies cloud security technology to monitor, scan and protect your systems without any worrying. The comprehensive defender and anti-virus tools prevent and protect your computer from unwanted virus, worms, and Trojans. With the simplest and easiest-to-use functions, users find themselves no difficulty to handle Kingsoft Antivirus.”

Credit
An independent security researcher, Steven Seeley, has reported this vulnerabilities to Beyond Security’s SecuriTeam Secure Disclosure program

Vendor response
We tried to contact Kingsoft since October 8 2017, repeated attempts to establish contact went unanswered. At this time there is no solution or workaround for these vulnerability.
Continue reading SSD Advisory – Kingsoft Antivirus/Internet Security 9+ Privilege Escalation