CVE-2017-18367
Published: 24 April 2019
libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.
From the Ubuntu Security Team
It was discovered that libseccomp-golang did not properly generate BPFs. If a process were running under a restrictive seccomp filter that specified multiple syscall arguments, the application could potentially bypass the intended restrictions put in place by seccomp.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
golang-github-seccomp-libseccomp-golang Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Not vulnerable
(0.9.0-2)
|
|
| focal |
Not vulnerable
(0.9.0-2)
|
|
| groovy |
Not vulnerable
(0.9.0-2)
|
|
| hirsute |
Not vulnerable
(0.9.0-2)
|
|
| impish |
Not vulnerable
(0.9.0-2)
|
|
| jammy |
Not vulnerable
(0.9.0-2)
|
|
| kinetic |
Not vulnerable
(0.9.0-2)
|
|
| lunar |
Not vulnerable
(0.9.0-2)
|
|
| mantic |
Not vulnerable
(0.9.0-2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(0.9.0-2)
|
|
| xenial |
Released
(0.0~git20150813.0.1b506fc-2+deb9u1build0.16.04.1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |