GitHub Advisoryadvisory · npm

GHSA-2m39-62fm-q8r3 Regular Expression Denial of Service in sshpk

HIGH Published 2018-08-15 Modified 2023-01-31 Official page ↗

Aliases: CVE-2018-3737
Ecosystem: npm
Packages: sshpk
Severity: High
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses: CWE-185, CWE-770
Reviewed: 2020-06-16

Affected packages

• npm sshpk: < 1.13.2 → fixed in 1.13.2

Description

Versions of `sshpk` before 1.13.2 or 1.14.1 are vulnerable to regular expression denial of service when parsing crafted invalid public keys. Recommendation Update to version 1.13.2, 1.14.1 or later.

Alias · CVE (1)

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

Weakness · CWE (2)

CWE-185 Incorrect Regular Expression weakness
CWE-770 Allocation of Resources Without Limits or Throttling weakness

References

https://nvd.nist.gov/vuln/detail/CVE-2018-3737 advisory
https://github.com/joyent/node-sshpk/commit/46065d38a5e6d1bccf86d3efb2fb83c14e3f9957 web
https://hackerone.com/reports/319593 web
https://github.com/advisories/GHSA-2m39-62fm-q8r3 advisory
https://github.com/joyent/node-sshpk/blob/v1.13.1/lib/formats/ssh.js#L17 web
https://www.npmjs.com/advisories/606 web