PT-2023-11791 · Unknown · Faucet Sdn Ryu

Winstonhico · Published 2023-08-11 · Updated 2023-08-18 · CVE-2020-35139

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Faucet SDN Ryu version 4.34

Description An issue was discovered in OFPBundleCtrlMsg in parser.py, allowing remote attackers to cause a denial of service (DoS) through an infinite loop.

Recommendations For Faucet SDN Ryu version 4.34, consider disabling the OFPBundleCtrlMsg function in parser.py as a temporary workaround to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Infinite Loop

Allocation of Resources Without Limits

Weakness Enumeration

CWE-835

CWE-770

Related Identifiers

CVE-2020-35139

GHSA-4987-5P3P-9R27

Affected Products

Faucet Sdn Ryu

References · 8

• 🔥 https://github.com/faucetsdn/ryu/issues/118 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-35139 · Security Note
• https://osv.dev/vulnerability/CVE-2020-35139 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-4987-5p3p-9r27 · Vendor Advisory
• https://github.com/faucetsdn/ryu · Note
• https://t.me/cvenotify/56266 · Telegram Post
• https://twitter.com/CVEnew/status/1690264250734804992 · Twitter Post
• https://t.me/cibsecurity/68344 · Telegram Post