PT-2021-10642 · Unknown · Yotsuyanight C-Http

Published 2021-11-02 · Updated 2021-11-04 · CVE-2020-21574

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: YotsuyaNight c-http version 0.1.0

Description: The issue allows attackers to cause a denial of service via a long URL request passed to the delimitedread function. This can lead to a buffer overflow.

Recommendations: For YotsuyaNight c-http version 0.1.0, consider restricting the length of URL requests to prevent the buffer overflow until a patch is available. As a temporary workaround, limiting the input to the delimitedread function may help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-21574

Affected Products

Yotsuyanight C-Http

References · 4

• 🔥❌ https://github.com/YotsuyaNight/c-http/issues/1 · Exploit, Deleted
• https://osv.dev/vulnerability/CVE-2020-21574 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21574 · Security Note
• https://t.me/cibsecurity/31625 · Telegram Post