Remote Code Execution Vulnerability in Microsoft Silverlight 5
CVE-2016-0034

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Silverlight
Vendor
CVE Published:
13 January 2016

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🟣 EPSS 50%🦅 CISA Reported

What is CVE-2016-0034?

Microsoft Silverlight 5 prior to version 5.1.41212.0 contains a vulnerability that improperly handles negative offsets during the decoding process. This flaw enables remote attackers to execute arbitrary code on affected systems or initiate a denial of service through specially crafted web content. This highlights the critical importance of ensuring the software is up-to-date to mitigate potential security threats.

CISA has reported CVE-2016-0034

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2016-0034 as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: The impacted products are end-of-life and should be disconnected if still in use.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2016-0034-Decompile
Created by hybridious

References

http://www.securitytracker.com/id/1034655
vdb-entryx_refsource_SECTRACK
https://docs.microsoft.com/en-us/security-updates/securit...
vendor-advisoryx_refsource_MS

EPSS Score

50% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.