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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.OPENSUSE-2020-1970.NASL
HistoryNov 20, 2020 - 12:00 a.m.

openSUSE Security Update : tor (openSUSE-2020-1970)

2020-11-2000:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
24

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.4 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.005 Low

EPSS

Percentile

75.7%

This update for tor fixes the following issues :

Updating tor to a newer version in the respective codestream.

  • tor 0.3.5.12 :

  • Check channels+circuits on relays more thoroughly (TROVE-2020-005, boo#1178741)

  • Not affected by out-of-bound memory access (CVE-2020-15572, boo#1173979)

  • Fix DoS defenses on bridges with a pluggable transport

  • CVE-2020-10592: CPU consumption DoS and timing patterns (boo#1167013)

  • CVE-2020-10593: circuit padding memory leak (boo#1167014)

  • tor 0.4.4.6

  • Check channels+circuits on relays more thoroughly (TROVE-2020-005, boo#1178741)

  • Fix a crash due to an out-of-bound memory access (CVE-2020-15572, boo#1173979)

  • Fix logrotate to not fail when tor is stopped (boo#1164275)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2020-1970.
#
# The text description of this plugin is (C) SUSE LLC.
#

include('compat.inc');

if (description)
{
  script_id(143143);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/08");

  script_cve_id("CVE-2020-10592", "CVE-2020-10593", "CVE-2020-15572");

  script_name(english:"openSUSE Security Update : tor (openSUSE-2020-1970)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"This update for tor fixes the following issues :

Updating tor to a newer version in the respective codestream.

  - tor 0.3.5.12 :

  - Check channels+circuits on relays more thoroughly
    (TROVE-2020-005, boo#1178741)

  - Not affected by out-of-bound memory access
    (CVE-2020-15572, boo#1173979)

  - Fix DoS defenses on bridges with a pluggable transport

  - CVE-2020-10592: CPU consumption DoS and timing patterns
    (boo#1167013)

  - CVE-2020-10593: circuit padding memory leak
    (boo#1167014) 

  - tor 0.4.4.6

  - Check channels+circuits on relays more thoroughly
    (TROVE-2020-005, boo#1178741)

  - Fix a crash due to an out-of-bound memory access
    (CVE-2020-15572, boo#1173979)

  - Fix logrotate to not fail when tor is stopped
    (boo#1164275)");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1164275");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1167013");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1167014");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1173979");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1178741");
  script_set_attribute(attribute:"solution", value:
"Update the affected tor packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-10592");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-15572");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:tor");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:tor-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:tor-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.2");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  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);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE15\.1|SUSE15\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.1 / 15.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE15.1", reference:"tor-0.3.5.12-lp151.2.6.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"tor-debuginfo-0.3.5.12-lp151.2.6.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"tor-debugsource-0.3.5.12-lp151.2.6.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"tor-0.4.4.6-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"tor-debuginfo-0.4.4.6-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"tor-debugsource-0.4.4.6-lp152.2.3.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "tor / tor-debuginfo / tor-debugsource");
}
VendorProductVersionCPE
novellopensusetorp-cpe:/a:novell:opensuse:tor
novellopensusetor-debuginfop-cpe:/a:novell:opensuse:tor-debuginfo
novellopensusetor-debugsourcep-cpe:/a:novell:opensuse:tor-debugsource
novellopensuse15.1cpe:/o:novell:opensuse:15.1
novellopensuse15.2cpe:/o:novell:opensuse:15.2

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.4 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.005 Low

EPSS

Percentile

75.7%