CVE-2013-3661
What it is
The EPATHOBJ::bFlatten function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not check whether linked-list traversal is continually accessing the same list member, which allows local users to cause a denial of service (infinite traversal) via vectors that trigger a crafted PATHRECORD chain.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of service disruption.
- Exploit odds
- 3.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.9% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.9% · EPSS, next 30 days
- Weakness
- CWE-22 · Path traversal
- Record status
- Modified
Affected
- Microsoft Windows 7
- Microsoft Windows 8
- Microsoft Windows Rt
- Microsoft Windows Server 2003
- Microsoft Windows Server 2008
- Microsoft Windows Server 2008 r2
- Microsoft Windows Server 2012
- Microsoft Windows Vista
Attack profile CVSS 2.0 · 4.9
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2013-3661.md and follow it. Check whether this project is affected by CVE-2013-3661. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html
- http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html
- http://secunia.com/advisories/53435
- http://twitter.com/taviso/statuses/335557286657400832
- http://www.computerworld.com/s/article/9239477
- http://www.exploit-db.com/exploits/25611/
- http://www.osvdb.org/93539
- http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/
- http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw
- http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html
- http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html
- http://secunia.com/advisories/53435
- http://twitter.com/taviso/statuses/335557286657400832
- http://www.computerworld.com/s/article/9239477
- http://www.exploit-db.com/exploits/25611/
- http://www.osvdb.org/93539
- http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/
- http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw