10
CVE-2021-3466
- EPSS 0.42%
- Published 25.03.2021 19:15:15
- Last modified 21.11.2024 06:21:36
- Source secalert@redhat.com
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A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.
Data is provided by the National Vulnerability Database (NVD)
Gnu ≫ Libmicrohttpd Version0.9.70
Redhat ≫ Enterprise Linux Version6.0
Redhat ≫ Enterprise Linux Version7.0
Redhat ≫ Enterprise Linux Version8.0
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.42% | 0.61 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 10 | 10 | 10 |
AV:N/AC:L/Au:N/C:C/I:C/A:C
|
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.