Summary
USN-8514-1 fixed a vulnerability in OpenSSH. This update provides
the corresponding fix for Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and
Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that OpenSSH incorrectly handled file permissions when
downloading files as root using the legacy scp protocol without the
preserve-mode option. An attacker could use this to install setuid or setgid
files on a system, possibly leading to privilege escalation.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | openssh | 1:6.6p1-2ubuntu2.13+esm3 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | openssh | 1:7.6p1-4ubuntu0.7+esm5 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | openssh | 1:8.2p1-4ubuntu0.13+esm2 |
Vulnerabilities 1
-
High 7.5
In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' …
References
-
report
https://ubuntu.com/security/CVE-2026-35385