PT-2021-11126 · Fastream · Fstream

Fitzb · Published 2021-02-16 · Updated 2022-05-24 · CVE-2020-25340

Positive Technologies (AI Summary)

CVSS v4.0

6.8

Medium

Base vector

AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: NFStream version 5.2.0

Description: An issue in NFStream causes a memory leak due to allocated modules not being correctly freed. This occurs when the nfstream object is directly destroyed without being used after creation, potentially resulting in a local denial of service (DoS).

Recommendations: For NFStream version 5.2.0, ensure the nfstream object is used after creation before destroying it to prevent the memory leak. As a temporary workaround, consider implementing proper memory management for allocated modules to minimize the risk of exploitation.

Exploit

Fix

Memory Leak

Allocation of Resources Without Limits

Weakness Enumeration

CWE-401

CWE-770

Related Identifiers

CVE-2020-25340

GHSA-WHMQ-CFM5-J8MJ

PYSEC-2021-68

Affected Products

Fstream

References · 11

• 🔥 https://github.com/ntop/nDPI/issues/994 · Exploit
• https://osv.dev/vulnerability/GHSA-whmq-cfm5-j8mj · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-25340 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-25340 · Security Note
• https://osv.dev/vulnerability/PYSEC-2021-68 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-25340 · Security Note
• https://ubuntu.com/security/CVE-2020-25340 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-25340 · Vendor Advisory
• https://github.com/nfstream/nfstream · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/nfstream/PYSEC-2021-68.yaml · Note
• https://t.me/cibsecurity/23636 · Telegram Post