CVE-2021-26843
High
Description
An issue was discovered in sthttpd through 2.27.1. On systems where the strcpy function is implemented with memcpy, the de_dotdot function may cause a Denial-of-Service (daemon crash) due to overlapping memory ranges being passed to memcpy. This can triggered with an HTTP GET request for a crafted filename. NOTE: this is similar to CVE-2017-10671, but occurs in a different part of the de_dotdot function.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSthttpd
PublishedFeb 7, 2021
First seenFeb 7, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sthttpd_project sthttpd | v ≤ 2.27.1 | — |
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