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nessusThis script is Copyright (C) 2014-2022 Tenable Network Security, Inc.SUSE_11_BASH-140919.NASL
HistorySep 25, 2014 - 12:00 a.m.

SuSE 11.3 Security Update : bash (SAT Patch Number 9740)

2014-09-2500:00:00
This script is Copyright (C) 2014-2022 Tenable Network Security, Inc.
www.tenable.com
76

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.976 High

EPSS

Percentile

100.0%

bash has been updated to fix a critical security issue.

In some circumstances, the shell would evaluate shellcode in environment variables passed at startup time. This allowed code execution by local or remote attackers who could pass environment variables to bash scripts. (CVE-2014-6271)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from SuSE 11 update information. The text itself is
# copyright (C) Novell, Inc.
#

if (NASL_LEVEL < 3000) exit(0);

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

if (description)
{
  script_id(77850);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/05");

  script_cve_id("CVE-2014-6271");
  script_xref(name:"IAVA", value:"2014-A-0142");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/07/28");
  script_xref(name:"CEA-ID", value:"CEA-2019-0240");

  script_name(english:"SuSE 11.3 Security Update : bash (SAT Patch Number 9740)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SuSE 11 host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"bash has been updated to fix a critical security issue.

In some circumstances, the shell would evaluate shellcode in
environment variables passed at startup time. This allowed code
execution by local or remote attackers who could pass environment
variables to bash scripts. (CVE-2014-6271)");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=896776");
  script_set_attribute(attribute:"see_also", value:"http://support.novell.com/security/cve/CVE-2014-6271.html");
  script_set_attribute(attribute:"solution", value:
"Apply SAT patch number 9740.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Apache mod_cgi Bash Environment Variable Code Injection (Shellshock)');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"patch_publication_date", value:"2014/09/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/09/25");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:bash");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:bash-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:libreadline5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:libreadline5-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:readline-doc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
  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) 2014-2022 Tenable Network Security, Inc.");

  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)11") audit(AUDIT_OS_NOT, "SuSE 11");
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 11", cpu);

pl = get_kb_item("Host/SuSE/patchlevel");
if (isnull(pl) || int(pl) != 3) audit(AUDIT_OS_NOT, "SuSE 11.3");


flag = 0;
if (rpm_check(release:"SLED11", sp:3, cpu:"i586", reference:"bash-3.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"i586", reference:"bash-doc-3.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"i586", reference:"libreadline5-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"i586", reference:"readline-doc-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"bash-3.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"bash-doc-3.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"libreadline5-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"libreadline5-32bit-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"readline-doc-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLES11", sp:3, reference:"bash-3.2-147.20.1")) flag++;
if (rpm_check(release:"SLES11", sp:3, reference:"bash-doc-3.2-147.20.1")) flag++;
if (rpm_check(release:"SLES11", sp:3, reference:"libreadline5-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLES11", sp:3, reference:"readline-doc-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLES11", sp:3, cpu:"s390x", reference:"libreadline5-32bit-5.2-147.20.1")) flag++;
if (rpm_check(release:"SLES11", sp:3, cpu:"x86_64", reference:"libreadline5-32bit-5.2-147.20.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
VendorProductVersionCPE
novellsuse_linux11p-cpe:/a:novell:suse_linux:11:libreadline5
novellsuse_linux11p-cpe:/a:novell:suse_linux:11:bash
novellsuse_linux11p-cpe:/a:novell:suse_linux:11:libreadline5-32bit
novellsuse_linux11cpe:/o:novell:suse_linux:11
novellsuse_linux11p-cpe:/a:novell:suse_linux:11:readline-doc
novellsuse_linux11p-cpe:/a:novell:suse_linux:11:bash-doc

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.976 High

EPSS

Percentile

100.0%