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nessusThis script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2014-1592-1.NASL
HistoryMay 20, 2015 - 12:00 a.m.

SUSE SLED12 / SLES12 Security Update : tigervnc (SUSE-SU-2014:1592-1)

2015-05-2000:00:00
This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
7

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.015 Low

EPSS

Percentile

86.8%

This update for tigervnc provides the following fixes :

  • Fixed integer overflow flaw, leading to a heap-based buffer overflow in screen size handling. (CVE-2014-8240)

  • Send correctly keys that don’t type any characters, such as CTRL+Space. (bnc#906922)

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-2014:1592-1.
# The text itself is copyright (C) SUSE.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(83649);
  script_version("2.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2014-8240");
  script_bugtraq_id(70391);

  script_name(english:"SUSE SLED12 / SLES12 Security Update : tigervnc (SUSE-SU-2014:1592-1)");
  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 tigervnc provides the following fixes :

  - Fixed integer overflow flaw, leading to a heap-based
    buffer overflow in screen size handling. (CVE-2014-8240)

  - Send correctly keys that don't type any characters, such
    as CTRL+Space. (bnc#906922)

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=900896"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=906922"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2014-8240/"
  );
  # https://www.suse.com/support/update/announcement/2014/suse-su-20141592-1.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?750869a8"
  );
  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 Linux Enterprise Server 12 :

zypper in -t patch SUSE-SLE-SERVER-12-2014-101

SUSE Linux Enterprise Desktop 12 :

zypper in -t patch SUSE-SLE-DESKTOP-12-2014-101

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:tigervnc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:tigervnc-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:tigervnc-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-Xvnc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-Xvnc-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/10/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/12/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/05/20");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 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:"^(SLED12|SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED12 / 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:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP0", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP0", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"0", reference:"tigervnc-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"tigervnc-debuginfo-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"tigervnc-debugsource-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"xorg-x11-Xvnc-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"xorg-x11-Xvnc-debuginfo-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"tigervnc-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"tigervnc-debuginfo-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"tigervnc-debugsource-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"xorg-x11-Xvnc-1.3.0-22.3")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"xorg-x11-Xvnc-debuginfo-1.3.0-22.3")) 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, "tigervnc");
}
VendorProductVersionCPE
novellsuse_linuxtigervncp-cpe:/a:novell:suse_linux:tigervnc
novellsuse_linuxtigervnc-debuginfop-cpe:/a:novell:suse_linux:tigervnc-debuginfo
novellsuse_linuxtigervnc-debugsourcep-cpe:/a:novell:suse_linux:tigervnc-debugsource
novellsuse_linuxxorg-x11-xvncp-cpe:/a:novell:suse_linux:xorg-x11-xvnc
novellsuse_linuxxorg-x11-xvnc-debuginfop-cpe:/a:novell:suse_linux:xorg-x11-xvnc-debuginfo
novellsuse_linux12cpe:/o:novell:suse_linux:12

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.015 Low

EPSS

Percentile

86.8%