5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.093 Low
EPSS
Percentile
94.7%
The BIND DNS server is vulnerable to the recently-discovered OpenSSL RSA signature verification problem (CVE-2006-4339). BIND uses RSA cryptography as part of its DNSSEC implementation. As a result, to resolve the security issue, these packages need to be upgraded and for both KEY and DNSKEY record types, new RSASHA1 and RSAMD5 keys need to be generated using the ‘-e’ option of dnssec-keygen, if the current keys were generated using the default exponent of 3.
You are able to determine if your keys are vulnerable by looking at the algorithm (1 or 5) and the first three characters of the Base64 encoded RSA key. RSAMD5 (1) and RSASHA1 (5) keys that start with ‘AQM’, ‘AQN’, ‘AQO’, or ‘AQP’ are vulnerable.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Mandrake Linux Security Advisory MDKSA-2006:207.
# The text itself is copyright (C) Mandriva S.A.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(24592);
script_version("1.21");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2006-4339", "CVE-2006-5201", "CVE-2006-7140");
script_bugtraq_id(19849);
script_xref(name:"MDKSA", value:"2006:207");
script_name(english:"Mandrake Linux Security Advisory : bind (MDKSA-2006:207)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Mandrake Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"The BIND DNS server is vulnerable to the recently-discovered OpenSSL
RSA signature verification problem (CVE-2006-4339). BIND uses RSA
cryptography as part of its DNSSEC implementation. As a result, to
resolve the security issue, these packages need to be upgraded and for
both KEY and DNSKEY record types, new RSASHA1 and RSAMD5 keys need to
be generated using the '-e' option of dnssec-keygen, if the current
keys were generated using the default exponent of 3.
You are able to determine if your keys are vulnerable by looking at
the algorithm (1 or 5) and the first three characters of the Base64
encoded RSA key. RSAMD5 (1) and RSASHA1 (5) keys that start with
'AQM', 'AQN', 'AQO', or 'AQP' are vulnerable."
);
# http://marc.theaimsgroup.com/?l=bind-announce&m=116253119512445
script_set_attribute(
attribute:"see_also",
value:"https://marc.info/?l=bind-announce&m=116253119512445"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected bind, bind-devel and / or bind-utils packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:ND/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_cwe_id(310);
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:bind");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:bind-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:bind-utils");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2006");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2007");
script_set_attribute(attribute:"patch_publication_date", value:"2006/11/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2007/02/18");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2007-2021 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:"MDK2006.0", reference:"bind-9.3.1-4.2.20060mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK2006.0", reference:"bind-devel-9.3.1-4.2.20060mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK2006.0", reference:"bind-utils-9.3.1-4.2.20060mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK2007.0", reference:"bind-9.3.2-8.1mdv2007.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2007.0", reference:"bind-devel-9.3.2-8.1mdv2007.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2007.0", reference:"bind-utils-9.3.2-8.1mdv2007.0", yank:"mdv")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");