PT-2021-11239 · Ssh2 · Ssh2

Erik Krogh Kristensen + 3 · Published 2021-09-20 · Updated 2021-10-01 · CVE-2020-26301

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: ssh2 versions prior to 1.4.0

Description: The issue is a command injection vulnerability that may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This issue only exists on Windows.

Recommendations: For versions prior to 1.4.0, update to version 1.4.0 to resolve the issue. As a temporary workaround, consider validating and sanitizing any untrusted input before calling the vulnerable method to minimize the risk of exploitation.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2020-26301

GHSA-652H-XWHF-Q4H6

Affected Products

Ssh2

References · 8

• 🔥 https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2 · Exploit
• https://github.com/mscdex/ssh2/commit/f763271f41320e71d5cbee02ea5bc6a2ded3ca21 · Patch
• https://osv.dev/vulnerability/CVE-2020-26301 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-652h-xwhf-q4h6 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26301 · Security Note
• https://github.com/mscdex/ssh2 · Note
• https://npmjs.com/package/ssh2 · Note
• https://t.me/cibsecurity/29163 · Telegram Post