The 'libseccomp' package in Ubuntu 16.04, 18.04, 18.10, 19.04 is vulnerable to a bypass of access restrictions for argument-filtered system calls CVE-2019-9893. It is advised to install the updated package(s)
Reporter | Title | Published | Views | Family All 65 |
---|---|---|---|---|
![]() | Medium: libseccomp | 11 Nov 201917:39 | – | amazon |
![]() | CVE-2019-9893 | 21 Mar 201902:30 | – | cvelist |
![]() | Updated libseccomp packages fix security vulnerability | 10 Mar 202022:04 | – | mageia |
![]() | EulerOS 2.0 SP2 : libseccomp (EulerOS-SA-2019-1856) | 17 Sep 201900:00 | – | nessus |
![]() | GLSA-201904-18 : libseccomp: Privilege escalation | 18 Apr 201900:00 | – | nessus |
![]() | openSUSE Security Update : libseccomp (openSUSE-2019-2280) | 8 Oct 201900:00 | – | nessus |
![]() | Photon OS 2.0: Libseccomp PHSA-2019-2.0-0149 | 22 Jul 202400:00 | – | nessus |
![]() | Photon OS 3.0: Libseccomp PHSA-2019-3.0-0009 | 2 Jul 201900:00 | – | nessus |
![]() | RHEL 7 : libseccomp (Unpatched Vulnerability) | 3 Jun 202400:00 | – | nessus |
![]() | SUSE SLED15 / SLES15 Security Update : libseccomp (SUSE-SU-2019:2517-1) | 3 Oct 201900:00 | – | nessus |
Source | Link |
---|---|
ubuntu | www.ubuntu.com/security/notices/USN-4001-1 |
# SPDX-FileCopyrightText: 2019 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.844029");
script_cve_id("CVE-2019-9893");
script_tag(name:"creation_date", value:"2019-05-31 02:00:33 +0000 (Fri, 31 May 2019)");
script_version("2024-02-02T05:06:07+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-03-26 14:00:18 +0000 (Tue, 26 Mar 2019)");
script_name("Ubuntu: Security Advisory (USN-4001-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 Greenbone AG");
script_family("Ubuntu Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(16\.04\ LTS|18\.04\ LTS|18\.10|19\.04)");
script_xref(name:"Advisory-ID", value:"USN-4001-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4001-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'libseccomp' package(s) announced via the USN-4001-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Jann Horn discovered that libseccomp did not correctly generate 64-bit
syscall argument comparisons with arithmetic operators (LT, GT, LE, GE).
An attacker could use this to bypass intended access restrictions for
argument-filtered system calls.");
script_tag(name:"affected", value:"'libseccomp' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10, Ubuntu 19.04.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "UBUNTU16.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libseccomp2", ver:"2.4.1-0ubuntu0.16.04.2", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU18.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libseccomp2", ver:"2.4.1-0ubuntu0.18.04.2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU18.10") {
if(!isnull(res = isdpkgvuln(pkg:"libseccomp2", ver:"2.4.1-0ubuntu0.18.10.3", rls:"UBUNTU18.10"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU19.04") {
if(!isnull(res = isdpkgvuln(pkg:"libseccomp2", ver:"2.4.1-0ubuntu0.19.04.3", rls:"UBUNTU19.04"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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