CVE-2019-9893 Affecting libseccomp package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-LIBSECCOMP-341044
- published21 Mar 2019
- disclosed21 Mar 2019
Introduced: 21 Mar 2019
CVE-2019-9893 (opens in a new tab)How to fix?
There is no fixed version for Debian:10 libseccomp.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libseccomp package and not the libseccomp package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2019-9893
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9893
- https://security.gentoo.org/glsa/201904-18
- https://github.com/seccomp/libseccomp/issues/139
- https://seclists.org/oss-sec/2019/q1/179
- https://access.redhat.com/errata/RHSA-2019:3624
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00027.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-9893
- https://usn.ubuntu.com/4001-1/
- https://usn.ubuntu.com/4001-2/