8.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
7.1 High
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.004 Low
EPSS
Percentile
74.3%
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("1.3.6.1.4.1.25623.1.1.12.2022.5626.1");
script_cve_id("CVE-2022-2795", "CVE-2022-2881", "CVE-2022-2906", "CVE-2022-3080", "CVE-2022-38177", "CVE-2022-38178");
script_tag(name:"creation_date", value:"2022-09-22 04:39:28 +0000 (Thu, 22 Sep 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:"8.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-09-23 12:53:44 +0000 (Fri, 23 Sep 2022)");
script_name("Ubuntu: Security Advisory (USN-5626-1)");
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-5626-1");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5626-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'bind9' package(s) announced via the USN-5626-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind
incorrectly handled large delegations. A remote attacker could possibly use
this issue to reduce performance, leading to a denial of service.
(CVE-2022-2795)
It was discovered that Bind incorrectly handled statistics requests. A
remote attacker could possibly use this issue to obtain sensitive memory
contents, or cause a denial of service. This issue only affected Ubuntu
22.04 LTS. (CVE-2022-2881)
It was discovered that Bind incorrectly handled memory when processing
certain Diffie-Hellman key exchanges. A remote attacker could use this
issue to consume resources, leading to a denial of service. This issue only
affected Ubuntu 22.04 LTS. (CVE-2022-2906)
Maksym Odinintsev discovered that Bind incorrectly handled answers from
cache when configured with a zero stale-answer-timeout. A remote attacker
could possibly use this issue to cause Bind to crash, resulting in a denial
of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-3080)
It was discovered that Bind incorrectly handled memory when processing
ECDSA DNSSEC verification. A remote attacker could use this issue to
consume resources, leading to a denial of service. This issue only affected
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-38177)
It was discovered that Bind incorrectly handled memory when processing
EDDSA DNSSEC verification. A remote attacker could use this issue to
consume resources, leading to a denial of service. (CVE-2022-38178)");
script_tag(name:"affected", value:"'bind9' 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:"bind9", ver:"1:9.11.3+dfsg-1ubuntu1.18", 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:"bind9", ver:"1:9.16.1-0ubuntu2.11", 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:"bind9", ver:"1:9.18.1-1ubuntu1.2", rls:"UBUNTU22.04 LTS"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
8.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
7.1 High
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.004 Low
EPSS
Percentile
74.3%