Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libseccomp-Golang Project | Libseccomp-Golang | <= 0.9.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2019/04/25/6Mailing ListPatchThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4087
- https://access.redhat.com/errata/RHSA-2019:4090
- https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b97PatchThird Party Advisory
- https://github.com/seccomp/libseccomp-golang/issues/22PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html
- https://usn.ubuntu.com/4574-1/
- http://www.openwall.com/lists/oss-security/2019/04/25/6Mailing ListPatchThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4087
- https://access.redhat.com/errata/RHSA-2019:4090
- https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b97PatchThird Party Advisory
- https://github.com/seccomp/libseccomp-golang/issues/22PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html
- https://usn.ubuntu.com/4574-1/
FAQ
What is CVE-2017-18367?
CVE-2017-18367 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2017-18367?
CVE-2017-18367 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18367?
Check the references section above for vendor advisories and patch information. Affected products include: Libseccomp-Golang Project Libseccomp-Golang.