Type Vulnerability
Microsoft Internet Explorer contains an uninitialised memory corruption vulnerability that could allow for remote code execution. Known-exploited catalogue reports exploitation in the wild.
Internet · Memory corruption
Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability
CVE-2010-3962
What this means
This is rated high severity (8.1 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Microsoft Internet Explorer, Microsoft Windows Server 2003 and Microsoft Windows Xp, and 3 more are in your estate, and treat that as the priority.
Full vendor description
Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.
Scoring and exploitation
8.1/ 10
CVSS 3.1 base scoreHigh
Exploitable over the network without any account, under specific conditions, and no one has to click or open anything. High impact on confidentiality, integrity and availability.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- Elevated attack likelihood (~96.8% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Yes — confirmed exploitation (US CISA )
- Not reported
- Listed product
- Microsoft Internet Explorer
Weaknesses
CWE-416
Affected products ()
- Microsoft Internet Explorer
- Microsoft Windows Server 2003
- Microsoft Windows Xp
- Microsoft Windows Server 2008
- Microsoft Windows Vista
- Microsoft Windows 7
Show the raw CPE strings (13)
- cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:-:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*
- cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:*
References
20 links from the CVE record, grouped by site; the vendor's advisory comes first.
blogs.technet.com1 linkVendor advisory
secunia.com1 linkVendor advisory
- 42091 (opens in a new tab)Broken Link · Vendor Advisory
microsoft.com1 linkVendor advisory
- 2458511.mspx (opens in a new tab)Patch · Vendor Advisory
vupen.com1 linkVendor advisory
- 2880 (opens in a new tab)Broken Link · Vendor Advisory
docs.microsoft.com1 linkVendor advisory
- ms10-090 (opens in a new tab)Patch · Vendor Advisory
exploit-db.com2 links
- 15418 (opens in a new tab)Third Party Advisory · VDB Entry
- 15421 (opens in a new tab)Third Party Advisory · VDB Entry
kb.cert.org1 link
- 899748 (opens in a new tab)Third Party Advisory · US Government Resource
securityfocus.com1 link
- 44536 (opens in a new tab)Broken Link · Third Party Advisory · VDB Entry
securitytracker.com1 link
- id (opens in a new tab)Broken Link · Third Party Advisory · VDB Entry
symantec.com1 link
- new-ie-0-day-used-targeted-attacks (opens in a new tab)Not Applicable
us-cert.gov1 link
- TA10-348A.html (opens in a new tab)Third Party Advisory · US Government Resource
exchange.xforce.ibmcloud.com1 link
- 62962 (opens in a new tab)Third Party Advisory · VDB Entry
oval.cisecurity.org1 link
- oval:org.mitre.oval:def:12279 (opens in a new tab)Tool Signature