CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:P/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
23.5%
This update for spice-vdagent fixes the following issues :
Security issues fixed :
CVE-2020-25650: Fixed a memory DoS via arbitrary entries in active_xfers
hash table (bsc#1177780).
CVE-2020-25651: Fixed a possible file transfer DoS and information leak via active_xfers
hash map (bsc#1177781).
CVE-2020-25652: Fixed a possibility to exhaust file descriptors in vdagentd
(bsc#1177782).
CVE-2020-25653: Fixed a race condition when the UNIX domain socket peer PID retrieved via SO_PEERCRED
(bsc#1177783).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:3268-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(143792);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/05");
script_cve_id(
"CVE-2020-25650",
"CVE-2020-25651",
"CVE-2020-25652",
"CVE-2020-25653"
);
script_name(english:"SUSE SLED15 / SLES15 Security Update : spice-vdagent (SUSE-SU-2020:3268-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"This update for spice-vdagent fixes the following issues :
Security issues fixed :
CVE-2020-25650: Fixed a memory DoS via arbitrary entries in
`active_xfers` hash table (bsc#1177780).
CVE-2020-25651: Fixed a possible file transfer DoS and information
leak via `active_xfers` hash map (bsc#1177781).
CVE-2020-25652: Fixed a possibility to exhaust file descriptors in
`vdagentd` (bsc#1177782).
CVE-2020-25653: Fixed a race condition when the UNIX domain socket
peer PID retrieved via `SO_PEERCRED` (bsc#1177783).
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1173749");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177780");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177781");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177782");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177783");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25650/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25651/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25652/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25653/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20203268-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c17fd0f6");
script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Module for Desktop Applications 15-SP2 :
zypper in -t patch
SUSE-SLE-Module-Desktop-Applications-15-SP2-2020-3268=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-25653");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-25651");
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:"2020/11/25");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spice-vdagent");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spice-vdagent-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:spice-vdagent-debugsource");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
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/cpu", "Host/SuSE/release", "Host/SuSE/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);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP2", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP2", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"2", reference:"spice-vdagent-0.19.0-3.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"spice-vdagent-debuginfo-0.19.0-3.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"spice-vdagent-debugsource-0.19.0-3.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"spice-vdagent-0.19.0-3.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"spice-vdagent-debuginfo-0.19.0-3.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"spice-vdagent-debugsource-0.19.0-3.3.1")) 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, "spice-vdagent");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | spice-vdagent | p-cpe:/a:novell:suse_linux:spice-vdagent |
novell | suse_linux | spice-vdagent-debuginfo | p-cpe:/a:novell:suse_linux:spice-vdagent-debuginfo |
novell | suse_linux | spice-vdagent-debugsource | p-cpe:/a:novell:suse_linux:spice-vdagent-debugsource |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25650
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25651
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25652
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25653
www.nessus.org/u?c17fd0f6
bugzilla.suse.com/show_bug.cgi?id=1173749
bugzilla.suse.com/show_bug.cgi?id=1177780
bugzilla.suse.com/show_bug.cgi?id=1177781
bugzilla.suse.com/show_bug.cgi?id=1177782
bugzilla.suse.com/show_bug.cgi?id=1177783
www.suse.com/security/cve/CVE-2020-25650/
www.suse.com/security/cve/CVE-2020-25651/
www.suse.com/security/cve/CVE-2020-25652/
www.suse.com/security/cve/CVE-2020-25653/
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:P/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
23.5%