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Vulnerability CVE-2019-5609
Published: 2019-08-30
| Description: |
In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host. |
Type:
CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
6.4/10 |
4.9/10 |
10/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
None |
Partial |
Partial |
References: |
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc
https://security.netapp.com/advisory/ntap-20190910-0002/
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