CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
Percentile
80.6%
Multiple vulnerabilities has been discovered and corrected in libxml/libxml2 :
Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions (CVE-2011-1944).
The updated packages have been patched to correct this issue.
Update :
Packages were misssing for Mandriva Linux 2011 with the MDVSA-2011:131 advisory which are now being provided.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Mandriva Linux Security Advisory MDVSA-2011:131.
# The text itself is copyright (C) Mandriva S.A.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(56085);
script_version("1.12");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2011-1944");
script_bugtraq_id(48056);
script_xref(name:"MDVSA", value:"2011:131-1");
script_name(english:"Mandriva Linux Security Advisory : libxml (MDVSA-2011:131-1)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Mandriva Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"Multiple vulnerabilities has been discovered and corrected in
libxml/libxml2 :
Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x
through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent
attackers to cause a denial of service (crash) and possibly execute
arbitrary code via a crafted XML file that triggers a heap-based
buffer overflow when adding a new namespace node, related to handling
of XPath expressions (CVE-2011-1944).
The updated packages have been patched to correct this issue.
Update :
Packages were misssing for Mandriva Linux 2011 with the MDVSA-2011:131
advisory which are now being provided."
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/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:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64xml1");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64xml1-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64xml2-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64xml2_2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libxml1");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libxml1-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libxml2-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libxml2-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libxml2-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libxml2_2");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2011");
script_set_attribute(attribute:"patch_publication_date", value:"2011/10/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/09/06");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2011-2021 Tenable Network Security, Inc.");
script_family(english:"Mandriva Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/Mandrake/release", "Host/Mandrake/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);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);
flag = 0;
if (rpm_check(release:"MDK2011", cpu:"x86_64", reference:"lib64xml1-1.8.17-18.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"x86_64", reference:"lib64xml1-devel-1.8.17-18.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"x86_64", reference:"lib64xml2-devel-2.7.8-6.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"x86_64", reference:"lib64xml2_2-2.7.8-6.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"i386", reference:"libxml1-1.8.17-18.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"i386", reference:"libxml1-devel-1.8.17-18.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"i386", reference:"libxml2-devel-2.7.8-6.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", reference:"libxml2-python-2.7.8-6.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", reference:"libxml2-utils-2.7.8-6.1-mdv2011.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2011", cpu:"i386", reference:"libxml2_2-2.7.8-6.1-mdv2011.0", yank:"mdv")) 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");