Vulnerability DatabaseCVE-2017-18367
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CVE-2017-18367
April 24, 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.
Related Resources (9)
https://access.redhat.com/errata/RHSA-2019:4090
https://usn.ubuntu.com/4574-1/
https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9e
https://usn.ubuntu.com/4574-1
https://access.redhat.com/errata/RHSA-2019:4087
http://www.openwall.com/lists/oss-security/2019/04/25/6
https://nvd.nist.gov/vuln/detail/CVE-2017-18367
https://lists.debian.org/debian-lts-announce/2020/08/msg00016.html
https://github.com/seccomp/libseccomp-golang/issues/22
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
Improper Access Control
CWE-284
Improper Input Validation
CWE-20
EPSS
Base Score:
0.46