CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS
Percentile
18.0%
Several vulnerabilities were discovered in SystemTap, an instrumentation system for Linux :
CVE-2011-2503 It was discovered that a race condition in staprun could lead to privilege escalation.
CVE-2010-4170 It was discovered that insufficient validation of environment variables in staprun could lead to privilege escalation.
CVE-2010-4171 It was discovered that insufficient validation of module unloading could lead to denial of service.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-2348. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(56881);
script_version("1.14");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2010-4170", "CVE-2010-4171", "CVE-2011-2503");
script_bugtraq_id(44914, 44917, 48886);
script_xref(name:"DSA", value:"2348");
script_name(english:"Debian DSA-2348-1 : systemtap - several vulnerabilities");
script_summary(english:"Checks dpkg output for the updated package");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security-related update."
);
script_set_attribute(
attribute:"description",
value:
"Several vulnerabilities were discovered in SystemTap, an
instrumentation system for Linux :
- CVE-2011-2503
It was discovered that a race condition in staprun could
lead to privilege escalation.
- CVE-2010-4170
It was discovered that insufficient validation of
environment variables in staprun could lead to privilege
escalation.
- CVE-2010-4171
It was discovered that insufficient validation of module
unloading could lead to denial of service."
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2011-2503"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2010-4170"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2010-4171"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/squeeze/systemtap"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2011/dsa-2348"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the systemtap packages.
For the stable distribution (squeeze), this problem has been fixed in
version 1.2-5+squeeze1."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'SystemTap MODPROBE_OPTIONS Privilege Escalation');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:systemtap");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2010/12/07");
script_set_attribute(attribute:"patch_publication_date", value:"2011/11/17");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/11/22");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2011-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Debian Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"6.0", prefix:"systemtap", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-client", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-common", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-doc", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-grapher", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-runtime", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-sdt-dev", reference:"1.2-5+squeeze1")) flag++;
if (deb_check(release:"6.0", prefix:"systemtap-server", reference:"1.2-5+squeeze1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4170
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4171
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2503
packages.debian.org/source/squeeze/systemtap
security-tracker.debian.org/tracker/CVE-2010-4170
security-tracker.debian.org/tracker/CVE-2010-4171
security-tracker.debian.org/tracker/CVE-2011-2503
www.debian.org/security/2011/dsa-2348