4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.4%
This update for shadowsocks-libev fixes the following issues :
Update version to 3.3.3
Refine the handling of suspicious connections.
Fix exploitable denial-of-service vulnerability exists in the UDPRelay functionality (boo#1158251, CVE-2019-5163)
Fix code execution vulnerability in the ss-manager binary (boo#1158365, CVE-2019-5164)
Refine the handling of fragment request.
Fix a high CPU bug introduced in 3.3.0. (#2449)
Enlarge the socket buffer size to 16KB.
Fix the empty list bug in ss-manager.
Fix the IPv6 address parser.
Fix a bug of port parser.
Fix a crash with MinGW.
Refine SIP003 plugin interface.
Remove connection timeout from all clients.
Fix the alignment bug again.
Fix a bug on 32-bit arch.
Add TCP fast open support to ss-tunnel by @PantherJohn.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2019-2667.
#
# The text description of this plugin is (C) SUSE LLC.
#
include('compat.inc');
if (description)
{
script_id(131992);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/04");
script_cve_id("CVE-2019-5163", "CVE-2019-5164");
script_name(english:"openSUSE Security Update : shadowsocks-libev (openSUSE-2019-2667)");
script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
script_set_attribute(attribute:"description", value:
"This update for shadowsocks-libev fixes the following issues :
- Update version to 3.3.3
- Refine the handling of suspicious connections.
- Fix exploitable denial-of-service vulnerability exists
in the UDPRelay functionality (boo#1158251,
CVE-2019-5163)
- Fix code execution vulnerability in the ss-manager
binary (boo#1158365, CVE-2019-5164)
- Refine the handling of fragment request.
- Fix a high CPU bug introduced in 3.3.0. (#2449)
- Enlarge the socket buffer size to 16KB.
- Fix the empty list bug in ss-manager.
- Fix the IPv6 address parser.
- Fix a bug of port parser.
- Fix a crash with MinGW.
- Refine SIP003 plugin interface.
- Remove connection timeout from all clients.
- Fix the alignment bug again.
- Fix a bug on 32-bit arch.
- Add TCP fast open support to ss-tunnel by @PantherJohn.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1158251");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1158365");
script_set_attribute(attribute:"solution", value:
"Update the affected shadowsocks-libev packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-5164");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/12/03");
script_set_attribute(attribute:"patch_publication_date", value:"2019/12/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/12/12");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libshadowsocks-libev2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libshadowsocks-libev2-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:shadowsocks-libev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:shadowsocks-libev-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:shadowsocks-libev-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:shadowsocks-libev-devel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.1");
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) 2019-2024 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)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE15.1", reference:"libshadowsocks-libev2-3.3.3-lp151.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"libshadowsocks-libev2-debuginfo-3.3.3-lp151.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"shadowsocks-libev-3.3.3-lp151.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"shadowsocks-libev-debuginfo-3.3.3-lp151.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"shadowsocks-libev-debugsource-3.3.3-lp151.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"shadowsocks-libev-devel-3.3.3-lp151.2.3.1") ) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libshadowsocks-libev2 / libshadowsocks-libev2-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | opensuse | libshadowsocks-libev2 | p-cpe:/a:novell:opensuse:libshadowsocks-libev2 |
novell | opensuse | libshadowsocks-libev2-debuginfo | p-cpe:/a:novell:opensuse:libshadowsocks-libev2-debuginfo |
novell | opensuse | shadowsocks-libev | p-cpe:/a:novell:opensuse:shadowsocks-libev |
novell | opensuse | shadowsocks-libev-debuginfo | p-cpe:/a:novell:opensuse:shadowsocks-libev-debuginfo |
novell | opensuse | shadowsocks-libev-debugsource | p-cpe:/a:novell:opensuse:shadowsocks-libev-debugsource |
novell | opensuse | shadowsocks-libev-devel | p-cpe:/a:novell:opensuse:shadowsocks-libev-devel |
novell | opensuse | 15.1 | cpe:/o:novell:opensuse:15.1 |
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.4%