CVE-2013-3896
Microsoft Silverlight: Information Disclosure
As of , CVE-2013-3896 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
- Not known to CISA
- EPSS score
- 0.68Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.30 on 25 May 2022EPSS on the day CISA listed it.
- Public exploit
- 1 Metasploit module and 1 Exploit-DB entry (1 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 access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application.
CISA's description
Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka "Silverlight Vulnerability."
The CVE record's description, from microsoft
- CVE published
- 9 October 2013
- Assigned by
- microsoft
- CVSS
- 5.5 Medium (CVSS 3.1, from CISA-ADP)
- CWE-20
- Improper Input Validation
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- partial
Timeline
- Exploit-DB published an exploit (EDB-ID 41702).
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- 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.
- Metasploit: MS13-022 Microsoft Silverlight ScriptObject Unsafe Memory Accessexploit module, rank normal
- Exploit-DB: Microsoft Silverlight - ScriptObject Unsafe Memory Access (MS13-022/MS13-087) (Metasploit)EDB-ID 41702, verified by Exploit-DB, 12 March 2013
Silverlight: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2013-0074Double Dereference | Microsoft Silverlight | Patch this weekRansomware use; Metasploit module; EPSS 0.79; verified Exploit-DB entry | 0.79 | ||
| CVE-2016-0034Runtime Remote Code Execution | Microsoft Silverlight | Patch this weekRansomware use; EPSS 0.69 | 0.69 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org