This update for curl fixes the following issues :
CVE-2021-22898: Fixed curl TELNET stack contents disclosure (bsc#1186114).
Allow partial chain verification [jsc#SLE-17956]
Have intermediate certificates in the trust store be treated as trust-anchors, in the same way as self-signed root CA certificates are. This allows users to verify servers using the intermediate cert only, instead of needing the whole chain.
Set FLAG_TRUSTED_FIRST unconditionally.
Do not check partial chains with CRL check.
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:1763-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(150019);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/28");
script_cve_id("CVE-2021-22898");
script_name(english:"SUSE SLES12 Security Update : curl (SUSE-SU-2021:1763-1)");
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-2021-22898: Fixed curl TELNET stack contents disclosure
(bsc#1186114).
Allow partial chain verification [jsc#SLE-17956]
- Have intermediate certificates in the trust store be
treated as trust-anchors, in the same way as self-signed
root CA certificates are. This allows users to verify
servers using the intermediate cert only, instead of
needing the whole chain.
- Set FLAG_TRUSTED_FIRST unconditionally.
- Do not check partial chains with CRL check.
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=1186114");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2021-22898/");
# https://www.suse.com/support/update/announcement/2021/suse-su-20211763-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fd030a94");
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 Software Development Kit 12-SP5 :
zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1763=1
SUSE Linux Enterprise Server 12-SP5 :
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1763=1");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:N/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:H/PR:N/UI:R/S:U/C:L/I:N/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-2021-22898");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"patch_publication_date", value:"2021/05/26");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/05/27");
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:libcurl4");
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:12");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/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:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "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 == "SLES12" && (! preg(pattern:"^(5)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"5", reference:"curl-7.60.0-11.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"curl-debuginfo-7.60.0-11.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"curl-debugsource-7.60.0-11.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libcurl4-32bit-7.60.0-11.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libcurl4-7.60.0-11.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libcurl4-debuginfo-32bit-7.60.0-11.18.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libcurl4-debuginfo-7.60.0-11.18.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
else security_note(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 | libcurl4-debuginfo | p-cpe:/a:novell:suse_linux:libcurl4-debuginfo |
novell | suse_linux | libcurl4 | p-cpe:/a:novell:suse_linux:libcurl4 |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |