The version of curl installed on the remote host is prior to 7.85.0. It is, therefore, affected by a vulnerability as referenced in the SSA:2022-243-01 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
#
# The descriptive text and package checks in this plugin were
# extracted from Slackware Security Advisory SSA:2022-243-01. The text
# itself is copyright (C) Slackware Linux, Inc.
##
include('compat.inc');
if (description)
{
script_id(164588);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/13");
script_cve_id("CVE-2022-35252");
script_xref(name:"IAVA", value:"2022-A-0350-S");
script_name(english:"Slackware Linux 14.0 / 14.1 / 14.2 / 15.0 / current curl Vulnerability (SSA:2022-243-01)");
script_set_attribute(attribute:"synopsis", value:
"The remote Slackware Linux host is missing a security update to curl.");
script_set_attribute(attribute:"description", value:
"The version of curl installed on the remote host is prior to 7.85.0. It is, therefore, affected by a vulnerability as
referenced in the SSA:2022-243-01 advisory.
- When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control
codes that when later are sent back to a HTTPserver might make the server return 400 responses.
Effectively allowing asister site to deny service to all siblings. (CVE-2022-35252)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"solution", value:
"Upgrade the affected curl package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-35252");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/09/01");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:curl");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.1");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.2");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:15.0");
script_set_attribute(attribute:"stig_severity", value:"II");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Slackware Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Slackware/release", "Host/Slackware/packages");
exit(0);
}
include("slackware.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Slackware/release")) audit(AUDIT_OS_NOT, "Slackware");
if (!get_kb_item("Host/Slackware/packages")) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Slackware", cpu);
var flag = 0;
var constraints = [
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '14.0', 'service_pack' : '1_slack14.0', 'arch' : 'i486' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '14.0', 'service_pack' : '1_slack14.0', 'arch' : 'x86_64' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '14.1', 'service_pack' : '1_slack14.1', 'arch' : 'i486' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '14.1', 'service_pack' : '1_slack14.1', 'arch' : 'x86_64' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '14.2', 'service_pack' : '1_slack14.2', 'arch' : 'i586' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '14.2', 'service_pack' : '1_slack14.2', 'arch' : 'x86_64' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '15.0', 'service_pack' : '1_slack15.0', 'arch' : 'i586' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : '15.0', 'service_pack' : '1_slack15.0', 'arch' : 'x86_64' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : 'current', 'service_pack' : '1', 'arch' : 'i586' },
{ 'fixed_version' : '7.85.0', 'product' : 'curl', 'os_name' : 'Slackware Linux', 'os_version' : 'current', 'service_pack' : '1', 'arch' : 'x86_64' }
];
foreach constraint (constraints) {
var pkg_arch = constraint['arch'];
var arch = NULL;
if (pkg_arch == "x86_64") {
arch = pkg_arch;
}
if (slackware_check(osver:constraint['os_version'],
arch:arch,
pkgname:constraint['product'],
pkgver:constraint['fixed_version'],
pkgarch:pkg_arch,
pkgnum:constraint['service_pack'])) flag++;
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
extra : slackware_report_get()
);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");