9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.03 Low
EPSS
Percentile
90.8%
The remote host is missing an update for the
# 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("1.3.6.1.4.1.25623.1.1.12.2021.4934.2");
script_cve_id("CVE-2020-28007", "CVE-2020-28008", "CVE-2020-28009", "CVE-2020-28011", "CVE-2020-28012", "CVE-2020-28013", "CVE-2020-28014", "CVE-2020-28015", "CVE-2020-28016", "CVE-2020-28017", "CVE-2020-28020", "CVE-2020-28022", "CVE-2020-28024", "CVE-2020-28025", "CVE-2020-28026", "CVE-2021-27216");
script_tag(name:"creation_date", value:"2022-08-26 07:43:23 +0000 (Fri, 26 Aug 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:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/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:"2021-05-10 16:13:54 +0000 (Mon, 10 May 2021)");
script_name("Ubuntu: Security Advisory (USN-4934-2)");
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(14\.04\ LTS|16\.04\ LTS)");
script_xref(name:"Advisory-ID", value:"USN-4934-2");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4934-2");
script_tag(name:"summary", value:"The remote host is missing an update for the 'exim4' package(s) announced via the USN-4934-2 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"USN-4934-1 fixed several vulnerabilities in Exim. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
CVE-2020-28026 only affected Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Exim contained multiple security issues. An attacker
could use these issues to cause a denial of service, execute arbitrary
code remotely, obtain sensitive information, or escalate local privileges.");
script_tag(name:"affected", value:"'exim4' package(s) on Ubuntu 14.04, Ubuntu 16.04.");
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:"exim4-base", ver:"4.82-3ubuntu2.4+esm3", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"exim4-daemon-heavy", ver:"4.82-3ubuntu2.4+esm3", rls:"UBUNTU14.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"exim4-daemon-light", ver:"4.82-3ubuntu2.4+esm3", 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:"exim4-base", ver:"4.86.2-2ubuntu2.6+esm1", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"exim4-daemon-heavy", ver:"4.86.2-2ubuntu2.6+esm1", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"exim4-daemon-light", ver:"4.86.2-2ubuntu2.6+esm1", rls:"UBUNTU16.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.03 Low
EPSS
Percentile
90.8%