vulnerability
FreeBSD: VID-60931f98-55a7-11e7-8514-589cfc0654e1 (CVE-2017-9079): Dropbear -- two vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:C/I:N/A:N) | Jul 3, 2017 | Jul 4, 2017 | Dec 10, 2025 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:C/I:N/A:N)
Published
Jul 3, 2017
Added
Jul 4, 2017
Modified
Dec 10, 2025
Description
Matt Johnston reports: Fix double-free in server TCP listener cleanup A double-free in the server could be triggered by an authenticated user if dropbear is running with -a (Allow connections to forwarded ports from any host) This could potentially allow arbitrary code execution as root by an authenticated user. Fix information disclosure with ~/.ssh/authorized_keys symlink. Dropbear parsed authorized_keys as root, even if it were a symlink. The fix is to switch to user permissions when opening authorized_keys.
Solution
freebsd-upgrade-package-dropbear
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