CVE-2020-36254 : scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filena

scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

Published 2021-02-25 09:15:13

Updated 2021-09-17 15:34:07

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-36254

Dropbear Ssh Project » Dropbear Ssh
Versions before (<) 2020.79
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.20%

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

~ 57 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.1	HIGH	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	2.2	5.9	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff

scp.c: Port OpenSSH CVE-2018-20685 fix (#80) · mkj/dropbear@8f8a3df · GitHub
Patch;Third Party Advisory

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