CVE-2019-9893 Information

Description

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT GT LE GE) which might able to lead to bypassing seccomp filters and potential privilege escalations.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00027.html https://access.redhat.com/errata/RHSA-2019:3624 https://github.com/seccomp/libseccomp/issues/139 https://seclists.org/oss-sec/2019/q1/179 https://security.gentoo.org/glsa/201904-18 https://usn.ubuntu.com/4001-1/ https://usn.ubuntu.com/4001-2/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8