This update for curl fixes the following issues :
CVE-2020-8286: Fixed improper OSCP verification in the client side (bsc#1179593).
CVE-2020-8285: Fixed a stack overflow due to FTP wildcard (bsc#1179399).
CVE-2020-8284: Fixed an issue where a malicius FTP server could make curl connect to a different IP (bsc#1179398).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:3735-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(144027);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/02");
script_cve_id("CVE-2020-8284", "CVE-2020-8285", "CVE-2020-8286");
script_xref(name:"IAVA", value:"2020-A-0581");
script_xref(name:"CEA-ID", value:"CEA-2021-0025");
script_name(english:"SUSE SLED15 / SLES15 Security Update : curl (SUSE-SU-2020:3735-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"This update for curl fixes the following issues :
CVE-2020-8286: Fixed improper OSCP verification in the client side
(bsc#1179593).
CVE-2020-8285: Fixed a stack overflow due to FTP wildcard
(bsc#1179399).
CVE-2020-8284: Fixed an issue where a malicius FTP server could make
curl connect to a different IP (bsc#1179398).
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1179398");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1179399");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1179593");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8284/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8285/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8286/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20203735-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?eea08572");
script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Module for Basesystem 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3735=1");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-8286");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/12/14");
script_set_attribute(attribute:"patch_publication_date", value:"2020/12/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:curl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:curl-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:curl-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcurl-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcurl4");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcurl4-32bit-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcurl4-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP2", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP2", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"libcurl4-32bit-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"libcurl4-32bit-debuginfo-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"curl-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"curl-debuginfo-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"curl-debugsource-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"libcurl-devel-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"libcurl4-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"libcurl4-debuginfo-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"libcurl4-32bit-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"libcurl4-32bit-debuginfo-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"curl-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"curl-debuginfo-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"curl-debugsource-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"libcurl-devel-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"libcurl4-7.66.0-4.11.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"libcurl4-debuginfo-7.66.0-4.11.1")) 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, "curl");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | curl | p-cpe:/a:novell:suse_linux:curl |
novell | suse_linux | curl-debuginfo | p-cpe:/a:novell:suse_linux:curl-debuginfo |
novell | suse_linux | curl-debugsource | p-cpe:/a:novell:suse_linux:curl-debugsource |
novell | suse_linux | libcurl-devel | p-cpe:/a:novell:suse_linux:libcurl-devel |
novell | suse_linux | libcurl4 | p-cpe:/a:novell:suse_linux:libcurl4 |
novell | suse_linux | libcurl4-32bit-debuginfo | p-cpe:/a:novell:suse_linux:libcurl4-32bit-debuginfo |
novell | suse_linux | libcurl4-debuginfo | p-cpe:/a:novell:suse_linux:libcurl4-debuginfo |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8284
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8285
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8286
www.nessus.org/u?eea08572
bugzilla.suse.com/show_bug.cgi?id=1179398
bugzilla.suse.com/show_bug.cgi?id=1179399
bugzilla.suse.com/show_bug.cgi?id=1179593
www.suse.com/security/cve/CVE-2020-8284/
www.suse.com/security/cve/CVE-2020-8285/
www.suse.com/security/cve/CVE-2020-8286/