The 'strongswan' package(s) on Ubuntu 18.04, 20.04, 22.04 is affected by a denial-of-service vulnerability related to certain OCSP URIs and CRL distribution points in certificates. Please install the updated package(s) from https://ubuntu.com/security/notices/USN-5651-
Reporter | Title | Published | Views | Family All 52 |
---|---|---|---|---|
![]() | Debian: Security Advisory (DLA-3143-1) | 12 Oct 202200:00 | – | openvas |
![]() | strongSwan 4.x < 5.9.8 DoS Vulnerability | 1 Nov 202200:00 | – | openvas |
![]() | Debian: Security Advisory (DSA-5249-1) | 8 Oct 202200:00 | – | openvas |
![]() | Fedora: Security Advisory for strongswan (FEDORA-2022-11bf2b2597) | 27 Oct 202200:00 | – | openvas |
![]() | SUSE: Security Advisory (SUSE-SU-2022:4197-1) | 24 Nov 202200:00 | – | openvas |
![]() | SUSE: Security Advisory (SUSE-SU-2022:4159-1) | 23 Nov 202200:00 | – | openvas |
![]() | SUSE: Security Advisory (SUSE-SU-2022:4185-1) | 23 Nov 202200:00 | – | openvas |
![]() | Fedora: Security Advisory for strongswan (FEDORA-2022-525510c815) | 11 Nov 202200:00 | – | openvas |
![]() | Ubuntu: Security Advisory (USN-5651-2) | 4 Oct 202200:00 | – | openvas |
![]() | strongswan vulnerability | 3 Oct 202217:35 | – | osv |
Source | Link |
---|---|
ubuntu | www.ubuntu.com/security/notices/USN-5651-1 |
# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.12.2022.5651.1");
script_cve_id("CVE-2022-40617");
script_tag(name:"creation_date", value:"2022-10-04 04:32:56 +0000 (Tue, 04 Oct 2022)");
script_version("2024-02-02T05:06:10+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-11-01 14:12:32 +0000 (Tue, 01 Nov 2022)");
script_name("Ubuntu: Security Advisory (USN-5651-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 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(18\.04\ LTS|20\.04\ LTS|22\.04\ LTS)");
script_xref(name:"Advisory-ID", value:"USN-5651-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5651-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'strongswan' package(s) announced via the USN-5651-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Lahav Schlesinger discovered that strongSwan incorrectly handled certain OCSP URIs and
and CRL distribution points (CDP) in certificates. A remote attacker could
possibly use this issue to initiate IKE_SAs and send crafted certificates
that contain URIs pointing to servers under their control, which can lead
to a denial-of-service attack.");
script_tag(name:"affected", value:"'strongswan' package(s) on Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04.");
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 == "UBUNTU18.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libstrongswan", ver:"5.6.2-1ubuntu2.9", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"strongswan", ver:"5.6.2-1ubuntu2.9", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU20.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libstrongswan", ver:"5.8.2-1ubuntu3.5", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"strongswan", ver:"5.8.2-1ubuntu3.5", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU22.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"libstrongswan", ver:"5.9.5-2ubuntu2.1", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"strongswan", ver:"5.9.5-2ubuntu2.1", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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