CVE-2013-0074

Microsoft Silverlight: Double Dereference

As of , CVE-2013-0074 in Microsoft Silverlight is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 25 May 2022
US federal deadline
15 June 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Known
EPSS score
0.79Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.58 on 25 May 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module and 2 Exploit-DB entries (2 verified)
Fix
No vendor link in CISA's entry

What CISA says to do

The impacted product is end-of-life and should be disconnected if still in use.

CISA's required action

What the flaw is

Microsoft Silverlight does not properly validate pointers during HTML object rendering, which allows remote attackers to execute code via a crafted Silverlight application.

CISA's description

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference Vulnerability."

The CVE record's description, from microsoft

CVE published
13 March 2013
Assigned by
microsoft
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. Exploit-DB published an exploit (EDB-ID 41702).
  2. The CVE record was published.
  3. Exploit-DB published an exploit (EDB-ID 29858).
  4. CISA added it to its list of exploited vulnerabilities.
  5. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

Silverlight: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2013-3896Information DisclosureMicrosoft SilverlightPatch this weekMetasploit module; EPSS 0.68; verified Exploit-DB entry0.68
CVE-2016-0034Runtime Remote Code ExecutionMicrosoft SilverlightPatch this weekRansomware use; EPSS 0.690.69

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