CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
37.7%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.1.12.2024.6947.1");
script_cve_id("CVE-2024-37370", "CVE-2024-37371");
script_tag(name:"creation_date", value:"2024-08-09 04:08:33 +0000 (Fri, 09 Aug 2024)");
script_version("2024-08-28T05:05:33+0000");
script_tag(name:"last_modification", value:"2024-08-28 05:05:33 +0000 (Wed, 28 Aug 2024)");
script_tag(name:"cvss_base", value:"9.4");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:N/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2024-08-27 17:47:30 +0000 (Tue, 27 Aug 2024)");
script_name("Ubuntu: Security Advisory (USN-6947-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2024 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(14\.04\ LTS|16\.04\ LTS|18\.04\ LTS|20\.04\ LTS|22\.04\ LTS|24\.04\ LTS)");
script_xref(name:"Advisory-ID", value:"USN-6947-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6947-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'krb5' package(s) announced via the USN-6947-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"It was discovered that Kerberos incorrectly handled GSS message tokens
where an unwrapped token could appear to be truncated. An attacker
could possibly use this issue to cause a denial of service.
(CVE-2024-37370)
It was discovered that Kerberos incorrectly handled GSS message tokens
when sent a token with invalid length fields. An attacker could possibly
use this issue to cause a denial of service. (CVE-2024-37371)");
script_tag(name:"affected", value:"'krb5' package(s) on Ubuntu 14.04, Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 24.04.");
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 == "UBUNTU14.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"krb5-admin-server", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc-ldap", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-otp", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-pkinit", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-user", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssapi-krb5-2", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssrpc4", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libk5crypto3", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5clnt-mit9", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit8", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit9", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkdb5-7", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrad0", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5-3", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5support0", ver:"1.12+dfsg-2ubuntu5.4+esm5", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU16.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"krb5-admin-server", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc-ldap", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-otp", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-pkinit", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-user", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssapi-krb5-2", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssrpc4", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libk5crypto3", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5clnt-mit9", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit9", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkdb5-8", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrad0", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5-3", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5support0", ver:"1.13.2+dfsg-5ubuntu2.2+esm5", 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:"krb5-admin-server", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc-ldap", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-otp", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-pkinit", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-user", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssapi-krb5-2", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssrpc4", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libk5crypto3", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5clnt-mit11", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit11", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkdb5-9", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrad0", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5-3", ver:"1.16-2ubuntu0.4+esm2", rls:"UBUNTU18.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5support0", ver:"1.16-2ubuntu0.4+esm2", 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:"krb5-admin-server", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc-ldap", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-otp", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-pkinit", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-user", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssapi-krb5-2", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssrpc4", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libk5crypto3", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5clnt-mit11", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit11", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkdb5-9", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrad0", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5-3", ver:"1.17-6ubuntu4.6", rls:"UBUNTU20.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5support0", ver:"1.17-6ubuntu4.6", 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:"krb5-admin-server", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc-ldap", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-otp", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-pkinit", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-user", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssapi-krb5-2", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssrpc4", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libk5crypto3", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5clnt-mit12", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit12", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkdb5-10", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrad0", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5-3", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5support0", ver:"1.19.2-2ubuntu0.4", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "UBUNTU24.04 LTS") {
if(!isnull(res = isdpkgvuln(pkg:"krb5-admin-server", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-kdc-ldap", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-otp", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-pkinit", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"krb5-user", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssapi-krb5-2", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libgssrpc4t64", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libk5crypto3", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5clnt-mit12", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkadm5srv-mit12", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkdb5-10t64", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrad0", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5-3", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libkrb5support0", ver:"1.20.1-6ubuntu2.1", rls:"UBUNTU24.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
37.7%