The remote host is affected by the vulnerability described in GLSA-200509-08 (Python: Heap overflow in the included PCRE library)
The 're' Python module makes use of a private copy of libpcre which is subject to an integer overflow leading to a heap overflow (see GLSA 200508-17).
Impact :
An attacker could target a Python-based web application (or SUID application) that would use untrusted data as regular expressions, potentially resulting in the execution of arbitrary code (or privilege escalation).
Workaround :
Python users that don't run any Python web application or SUID application (or that run one that wouldn't use untrusted inputs as regular expressions) are not affected by this issue.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 200509-08.
#
# The advisory text is Copyright (C) 2001-2018 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(19687);
script_version("1.22");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2005-2491");
script_bugtraq_id(14620);
script_xref(name:"GLSA", value:"200509-08");
script_name(english:"GLSA-200509-08 : Python: Heap overflow in the included PCRE library");
script_summary(english:"Checks for updated package(s) in /var/db/pkg");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Gentoo host is missing one or more security-related
patches."
);
script_set_attribute(
attribute:"description",
value:
"The remote host is affected by the vulnerability described in GLSA-200509-08
(Python: Heap overflow in the included PCRE library)
The 're' Python module makes use of a private copy of libpcre
which is subject to an integer overflow leading to a heap overflow (see
GLSA 200508-17).
Impact :
An attacker could target a Python-based web application (or SUID
application) that would use untrusted data as regular expressions,
potentially resulting in the execution of arbitrary code (or privilege
escalation).
Workaround :
Python users that don't run any Python web application or SUID
application (or that run one that wouldn't use untrusted inputs as
regular expressions) are not affected by this issue."
);
script_set_attribute(
attribute:"see_also",
value:"https://security.gentoo.org/glsa/200508-17"
);
script_set_attribute(
attribute:"see_also",
value:"https://security.gentoo.org/glsa/200509-08"
);
script_set_attribute(
attribute:"solution",
value:
"All Python users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-lang/python-2.3.5-r2'"
);
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:gentoo:linux:python");
script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");
script_set_attribute(attribute:"patch_publication_date", value:"2005/09/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2005/09/13");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2005-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Gentoo Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (qpkg_check(package:"dev-lang/python", unaffected:make_list("ge 2.3.5-r2"), vulnerable:make_list("lt 2.3.5-r2"))) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = qpkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "Python");
}