CVE-2017-18367

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/seccomp/libseccomp-golang/issues/22 third party advisory patch
https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9e third party advisory patch
http://www.openwall.com/lists/oss-security/2019/04/25/6 patch mailing list third party advisory
https://access.redhat.com/errata/RHSA-2019:4087 vendor advisory
https://access.redhat.com/errata/RHSA-2019:4090 vendor advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html mailing list
https://usn.ubuntu.com/4574-1/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-18367?
CVE-2017-18367 has been scored as a high severity vulnerability.
How to fix CVE-2017-18367?
To fix CVE-2017-18367, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-18367 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-18367 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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