PT-2018-3975 · Npm · Sshpk

Chalker · Published 2018-02-25 · Updated 2023-01-30 · CVE-2018-3737

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions sshpk versions prior to 1.13.2 sshpk versions prior to 1.14.1

Description The issue is related to the parsing of crafted invalid public keys, which can lead to a regular expression denial of service. This can cause a denial of service, allowing a remote attacker to disrupt service. The estimated number of potentially affected devices is not specified.

Recommendations For versions prior to 1.13.2, update to version 1.13.2 or later. For versions prior to 1.14.1, update to version 1.14.1 or later.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

CWE-185

Related Identifiers

BDU:2024-01219

CVE-2018-3737

GHSA-2M39-62FM-Q8R3

RHSA-2020:2625

Affected Products

Sshpk

References · 18

• 🔥 https://hackerone.com/reports/319593 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-3737 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-3737 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-3737 · Security Note
• https://osv.dev/vulnerability/GHSA-2m39-62fm-q8r3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-3737 · Security Note
• https://bdu.fstec.ru/vul/2024-01219 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-3737 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-3737 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-3737 · Vendor Advisory
• https://github.com/TritonDataCenter/node-sshpk/issues/44 · Note
• https://github.com/TritonDataCenter/node-sshpk/commit/46065d38a5e6d1bccf86d3efb2fb83c14e3f9957 · Note
• https://github.com/joyent/node-sshpk/blob/v1.13.1/lib/formats/ssh.js#L17 · Note
• https://github.com/joyent/node-sshpk/issues/44 · Note
• https://github.com/joyent/node-sshpk/commit/46065d38a5e6d1bccf86d3efb2fb83c14e3f9957 · Note