This update for OpenSSH fixes the following issues :
Prevent user enumeration through the timing of password processing. (bsc#989363, CVE-2016-6210)
Allow lowering the DH groups parameter limit in server as well as when GSSAPI key exchange is used.
(bsc#948902)
Sanitize input for xauth(1). (bsc#970632, CVE-2016-3115)
Prevent X11 SECURITY circumvention when forwarding X11 connections. (bsc#962313, CVE-2016-1908)
Disable DH parameters under 2048 bits by default and allow lowering the limit back to the RFC 4419 specified minimum through an option. (bsc#932483, bsc#948902)
Ignore PAM environment when using login. (bsc#975865, CVE-2015-8325)
Limit the accepted password length (prevents a possible denial of service). (bsc#992533, CVE-2016-6515)
Relax version requires for the openssh-askpass sub-package. (bsc#962794)
Avoid complaining about unset DISPLAY variable.
(bsc#981654)
Initialize message id to prevent connection breakups in some cases. (bsc#959096)
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-2016:2388-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(93735);
script_version("2.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2015-8325", "CVE-2016-1908", "CVE-2016-3115", "CVE-2016-6210", "CVE-2016-6515");
script_name(english:"SUSE SLES11 Security Update : openssh (SUSE-SU-2016:2388-1)");
script_summary(english:"Checks rpm output for the updated packages.");
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 OpenSSH fixes the following issues :
- Prevent user enumeration through the timing of password
processing. (bsc#989363, CVE-2016-6210)
- Allow lowering the DH groups parameter limit in server
as well as when GSSAPI key exchange is used.
(bsc#948902)
- Sanitize input for xauth(1). (bsc#970632, CVE-2016-3115)
- Prevent X11 SECURITY circumvention when forwarding X11
connections. (bsc#962313, CVE-2016-1908)
- Disable DH parameters under 2048 bits by default and
allow lowering the limit back to the RFC 4419 specified
minimum through an option. (bsc#932483, bsc#948902)
- Ignore PAM environment when using login. (bsc#975865,
CVE-2015-8325)
- Limit the accepted password length (prevents a possible
denial of service). (bsc#992533, CVE-2016-6515)
- Relax version requires for the openssh-askpass
sub-package. (bsc#962794)
- Avoid complaining about unset DISPLAY variable.
(bsc#981654)
- Initialize message id to prevent connection breakups in
some cases. (bsc#959096)
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=932483"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=948902"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=959096"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=962313"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=962794"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=970632"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=975865"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=981654"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=989363"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=992533"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2015-8325/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-1908/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-3115/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-6210/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2016-6515/"
);
# https://www.suse.com/support/update/announcement/2016/suse-su-20162388-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?9a55375c"
);
script_set_attribute(
attribute:"solution",
value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :
SUSE OpenStack Cloud 5:zypper in -t patch sleclo50sp3-openssh-12759=1
SUSE Manager Proxy 2.1:zypper in -t patch slemap21-openssh-12759=1
SUSE Manager 2.1:zypper in -t patch sleman21-openssh-12759=1
SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch
slessp3-openssh-12759=1
SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-openssh-12759=1
SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-openssh-12759=1
To bring your system up-to-date, use 'zypper patch'."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
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:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssh");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssh-askpass");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssh-askpass-gnome");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/03/22");
script_set_attribute(attribute:"patch_publication_date", value:"2016/09/26");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/09/27");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"SuSE Local Security Checks");
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:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "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 == "SLES11" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES11", sp:"3", reference:"openssh-6.2p2-0.33.2")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"openssh-askpass-6.2p2-0.33.2")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"openssh-askpass-gnome-6.2p2-0.33.5")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "openssh");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | openssh | p-cpe:/a:novell:suse_linux:openssh |
novell | suse_linux | openssh-askpass | p-cpe:/a:novell:suse_linux:openssh-askpass |
novell | suse_linux | openssh-askpass-gnome | p-cpe:/a:novell:suse_linux:openssh-askpass-gnome |
novell | suse_linux | 11 | cpe:/o:novell:suse_linux:11 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8325
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1908
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3115
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6210
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6515
www.nessus.org/u?9a55375c
bugzilla.suse.com/show_bug.cgi?id=932483
bugzilla.suse.com/show_bug.cgi?id=948902
bugzilla.suse.com/show_bug.cgi?id=959096
bugzilla.suse.com/show_bug.cgi?id=962313
bugzilla.suse.com/show_bug.cgi?id=962794
bugzilla.suse.com/show_bug.cgi?id=970632
bugzilla.suse.com/show_bug.cgi?id=975865
bugzilla.suse.com/show_bug.cgi?id=981654
bugzilla.suse.com/show_bug.cgi?id=989363
bugzilla.suse.com/show_bug.cgi?id=992533
www.suse.com/security/cve/CVE-2015-8325/
www.suse.com/security/cve/CVE-2016-1908/
www.suse.com/security/cve/CVE-2016-3115/
www.suse.com/security/cve/CVE-2016-6210/
www.suse.com/security/cve/CVE-2016-6515/