win32k Clipboard Bitmap - Use-After-Free
| Reporter | Title | Published | Views | Family All 18 |
|---|---|---|---|---|
 | win32k Clipboard Bitmap - Use-After-Free | 17 Dec 201500:00 | – | zdt |
 | Windows Privilege Escalation | 19 Jan 201600:00 | – | bdu_fstec |
 | CVE-2015-6173 | 17 Dec 201500:00 | – | circl |
 | Microsoft Windows Core Memory Privilege Elevation Vulnerability (CNVD-2015-08022) | 9 Dec 201500:00 | – | cnvd |
 | CVE-2015-6173 | 9 Dec 201511:00 | – | cve |
 | CVE-2015-6173 | 9 Dec 201511:00 | – | cvelist |
 | EUVD-2015-6116 | 7 Oct 202500:30 | – | euvd |
 | MS15-135: Security update for Windows kernel-mode drivers to address elevation of privilege: December 8, 2015 | 8 Dec 201500:00 | – | mskb |
 | KLA10714 Multiple vulnerabilities in Microsoft Windows | 8 Dec 201500:00 | – | kaspersky |
 | CVE-2015-6173 | 9 Dec 201511:59 | – | nvd |
10
Source: https://code.google.com/p/google-security-research/issues/detail?id=533
This PoC triggers a crash on Windows 7 32-bit with Special Pool enabled on win32k.sys. The kernel crashes due to a use-after-free condition with bitmaps in the clipboard.
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Note that multiple PoC executions and simulated system activity may be required to trigger this issue.
Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39027.zipData
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17 Dec 2015 00:00Current
5.2Medium risk
Vulners AI Score5.2
CVSS 27.2
EPSS0.03109