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");
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | 11 | p-cpe:/a:novell:suse_linux:11:bash |
novell | suse_linux | 11 | p-cpe:/a:novell:suse_linux:11:bash-doc |
novell | suse_linux | 11 | p-cpe:/a:novell:suse_linux:11:libreadline5 |
novell | suse_linux | 11 | p-cpe:/a:novell:suse_linux:11:libreadline5-32bit |
novell | suse_linux | 11 | p-cpe:/a:novell:suse_linux:11:readline-doc |
novell | suse_linux | 11 | cpe:/o:novell:suse_linux:11 |