Vulnerability Details : CVE-2019-9893
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.
Products affected by CVE-2019-9893
- cpe:2.3:a:libseccomp_project:libseccomp:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9893
2.60%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9893
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2019-9893
-
https://github.com/seccomp/libseccomp/issues/139
BUG: 64-bit argument comparisons do not work correctly (CVE-2019-9893) · Issue #139 · seccomp/libseccomp · GitHubPatch
-
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00027.html
[security-announce] openSUSE-SU-2019:2280-1: moderate: Security update f
-
https://access.redhat.com/errata/RHSA-2019:3624
RHSA-2019:3624 - Security Advisory - Red Hat Customer Portal
-
https://usn.ubuntu.com/4001-2/
USN-4001-2: libseccomp vulnerability | Ubuntu security notices
-
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00022.html
[security-announce] openSUSE-SU-2019:2283-1: moderate: Security update f
-
https://seclists.org/oss-sec/2019/q1/179
oss-sec: libseccomp: incorrect generation of syscall argument filtersMailing List;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/201904-18
libseccomp: Privilege escalation (GLSA 201904-18) — Gentoo security
-
https://usn.ubuntu.com/4001-1/
USN-4001-1: libseccomp vulnerability | Ubuntu security notices
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