Vulnerability CVE-2019-9893
Published: 2019-03-21

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.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Libseccomp project -> Libseccomp 

 References:
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/
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