Description
darkhttpd before 1.15 uses strcmp (which is not constant time) to verify authentication, which makes it easier for remote attackers to bypass authentication via a timing side channel.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | darkhttpd | 1.15-r0 | — |
| Alpine v3.23 | darkhttpd | 1.15-r0 | — |
| Alpine v3.22 | darkhttpd | 1.15-r0 | — |
| Alpine v3.21 | darkhttpd | 1.15-r0 | — |
| Alpine v3.20 | darkhttpd | 1.15-r0 | — |