5.4 Medium
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:N/C:P/I:P/A:P
7.5 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.8%
Spice, versions 0.5.2 through 0.14.0, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt.
This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.(CVE-2019-3813)
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2 Security Advisory ALAS-2019-1184.
#
include('compat.inc');
if (description)
{
script_id(123468);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/07");
script_cve_id("CVE-2019-3813");
script_xref(name:"ALAS", value:"2019-1184");
script_name(english:"Amazon Linux 2 : spice (ALAS-2019-1184)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2 host is missing a security update.");
script_set_attribute(attribute:"description", value:
"Spice, versions 0.5.2 through 0.14.0, are vulnerable to an
out-of-bounds read due to an off-by-one error in memslot_get_virt.
This may lead to a denial of service, or, in the worst case,
code-execution by unauthenticated attackers.(CVE-2019-3813)");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/AL2/ALAS-2019-1184.html");
script_set_attribute(attribute:"solution", value:
"Run 'yum update spice' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-3813");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/02/04");
script_set_attribute(attribute:"patch_publication_date", value:"2019/03/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:spice-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:spice-server");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:spice-server-devel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "2")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux 2", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (rpm_check(release:"AL2", cpu:"x86_64", reference:"spice-debuginfo-0.14.0-6.amzn2.1")) flag++;
if (rpm_check(release:"AL2", cpu:"x86_64", reference:"spice-server-0.14.0-6.amzn2.1")) flag++;
if (rpm_check(release:"AL2", cpu:"x86_64", reference:"spice-server-devel-0.14.0-6.amzn2.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "spice-debuginfo / spice-server / spice-server-devel");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | spice-server | p-cpe:/a:amazon:linux:spice-server |
amazon | linux | spice-server-devel | p-cpe:/a:amazon:linux:spice-server-devel |
amazon | linux | 2 | cpe:/o:amazon:linux:2 |
amazon | linux | spice-debuginfo | p-cpe:/a:amazon:linux:spice-debuginfo |
5.4 Medium
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:N/C:P/I:P/A:P
7.5 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.8%