CVE-2019-18960 : Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0.

Firecracker vsock implementation buffer overflow in versions 0.18.0 and 0.19.0. This can result in potentially exploitable crashes.

Published 2019-12-11 13:15:12

Updated 2022-09-13 21:25:31

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2019-18960

Amazon » Firecracker » Version: 0.18.0
cpe:2.3:a:amazon:firecracker:0.18.0:*:*:*:*:*:*:*
Matching versions
Amazon » Firecracker » Version: 0.19.0
cpe:2.3:a:amazon:firecracker:0.19.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

2.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 82 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: nvd@nist.gov (Primary)

https://github.com/firecracker-microvm/firecracker/releases

Releases · firecracker-microvm/firecracker · GitHub
Release Notes;Third Party Advisory
https://github.com/firecracker-microvm/firecracker/releases/tag/v0.19.1

Release Firecracker v0.19.1 · firecracker-microvm/firecracker · GitHub
Release Notes;Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/10/1

oss-security - CVE-2019-18960: Firecracker v0.18.0 and v0.19.0 vsock buffer overflow
Mailing List;Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/11/2

oss-security - Re: CVE-2019-18960: Firecracker v0.18.0 and v0.19.0 vsock buffer overflow
Mailing List;Third Party Advisory
https://github.com/firecracker-microvm/firecracker/releases/tag/v0.18.1

Release Firecracker v0.18.1 · firecracker-microvm/firecracker · GitHub
Release Notes;Third Party Advisory
https://github.com/firecracker-microvm/firecracker/issues/1462

Firecracker vsock implementation buffer overflow in versions v0.18.0 and v0.19.0 that can result in potentially exploitable crashes. · Issue #1462 · firecracker-microvm/firecracker · GitHub
Third Party Advisory

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