8.8
CVE-2021-34856
- EPSS 0.15%
- Veröffentlicht 25.10.2021 17:15:08
- Zuletzt bearbeitet 21.11.2024 06:11:20
- Quelle zdi-disclosures@trendmicro.com
- CVE-Watchlists
- Unerledigt
LoginThis vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3 (49160). An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the virtio-gpu virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13581.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Parallels ≫ Parallels Desktop Version16.1.3 SwPlatformmacos
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.15% | 0.354 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 8.8 | 2 | 6 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
|
| nvd@nist.gov | 4.6 | 3.9 | 6.4 |
AV:L/AC:L/Au:N/C:P/I:P/A:P
|
| zdi-disclosures@trendmicro.com | 8.2 | 1.5 | 6 |
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
|
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.