5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.975 High
EPSS
Percentile
100.0%
Updated tor packages fix multiple vulnerabilities :
Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with a certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge platforms, does not properly generate random numbers for relay identity keys and hidden-service identity keys, which might make it easier for remote attackers to bypass cryptographic protection mechanisms via unspecified vectors (CVE-2013-7295).
Update to version 0.2.4.22 solves these major and security problems :
Block authority signing keys that were used on authorities vulnerable to the heartbleed bug in OpenSSL (CVE-2014-0160).
Fix a memory leak that could occur if a microdescriptor parse fails during the tokenizing step.
The relay ciphersuite list is now generated automatically based on uniform criteria, and includes all OpenSSL ciphersuites with acceptable strength and forward secrecy.
Relays now trust themselves to have a better view than clients of which TLS ciphersuites are better than others.
Clients now try to advertise the same list of ciphersuites as Firefox 28.
For other changes see the upstream change log
#%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-2014:123.
# The text itself is copyright (C) Mandriva S.A.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(74481);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/05");
script_cve_id("CVE-2013-7295", "CVE-2014-0160");
script_bugtraq_id(64651, 66690);
script_xref(name:"MDVSA", value:"2014:123");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/25");
script_name(english:"Mandriva Linux Security Advisory : tor (MDVSA-2014:123)");
script_set_attribute(attribute:"synopsis", value:
"The remote Mandriva Linux host is missing a security update.");
script_set_attribute(attribute:"description", value:
"Updated tor packages fix multiple vulnerabilities :
Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with a
certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge
platforms, does not properly generate random numbers for relay
identity keys and hidden-service identity keys, which might make it
easier for remote attackers to bypass cryptographic protection
mechanisms via unspecified vectors (CVE-2013-7295).
Update to version 0.2.4.22 solves these major and security problems :
- Block authority signing keys that were used on
authorities vulnerable to the heartbleed bug in OpenSSL
(CVE-2014-0160).
- Fix a memory leak that could occur if a microdescriptor
parse fails during the tokenizing step.
- The relay ciphersuite list is now generated
automatically based on uniform criteria, and includes
all OpenSSL ciphersuites with acceptable strength and
forward secrecy.
- Relays now trust themselves to have a better view than
clients of which TLS ciphersuites are better than
others.
- Clients now try to advertise the same list of
ciphersuites as Firefox 28.
For other changes see the upstream change log");
script_set_attribute(attribute:"see_also", value:"http://advisories.mageia.org/MGASA-2014-0059.html");
script_set_attribute(attribute:"see_also", value:"http://advisories.mageia.org/MGASA-2014-0256.html");
script_set_attribute(attribute:"solution", value:
"Update the affected tor package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N");
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:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"patch_publication_date", value:"2014/06/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/06/12");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:tor");
script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:business_server:1");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Mandriva 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/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:"MDK-MBS1", cpu:"x86_64", reference:"tor-0.2.4.22-1.mbs1")) 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");
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.975 High
EPSS
Percentile
100.0%