Improper input validation in Libseccomp-Golang Project
CVE-2017-18367
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/seccomp/libseccomp-golang/issues/22 (Patch, Third Party Advisory)
- github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e… (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/04/25/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:4087 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:4090 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00016.html (mailing-list)
- usn.ubuntu.com/4574-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2017-18367?
- CVE-2017-18367 is a high-severity vulnerability in Libseccomp-Golang Project, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-04-24.
- How severe is CVE-2017-18367?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-18367 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.