CVE-2018-3737 : sshpk is vulnerable to ReDoS when parsing crafted invalid public keys.

sshpk is vulnerable to ReDoS when parsing crafted invalid public keys.

Published 2018-06-07 02:29:09

Updated 2023-01-30 16:06:38

Source HackerOne

View at NVD, CVE.org

Products affected by CVE-2018-3737

Joyent » Sshpk » For Node.js
Versions up to, including, (<=) 1.13.1
cpe:2.3:a:joyent:sshpk:*:*:*:*:*:node.js:*:*
Matching versions

EPSS FAQ

0.17%

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

~ 53 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-185 Incorrect Regular Expression

The product specifies a regular expression in a way that causes data to be improperly matched or compared.

Assigned by: nvd@nist.gov (Primary)
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

Assigned by: support@hackerone.com (Secondary)

https://hackerone.com/reports/319593

#319593 `sshpk` is vulnerable to ReDoS when parsing crafted invalid public keys
Exploit;Third Party Advisory

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