Description
scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dropbear | 2020.79-1 | — |
| Debian 13 | dropbear | 2020.79-1 | — |
| Debian 12 | dropbear | 2020.79-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | dropbear | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | dropbear | No fix yet | — |
| Ubuntu Pro 18.04 LTS | dropbear | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.12 | dropbear | 2019.78-r1 | — |
| Alpine v3.11 | dropbear | 2019.78-r1 | — |
| Alpine v3.10 | dropbear | 2019.78-r1 | — |