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openvasCopyright (C) 2021 Greenbone AGOPENVAS:13614125623114202104361
HistoryJun 09, 2021 - 12:00 a.m.

SUSE: Security Advisory (SUSE-SU-2021:0436-1)

2021-06-0900:00:00
Copyright (C) 2021 Greenbone AG
plugins.openvas.org
10
suse-su-2021:0436-1
openvswitch
cve-2020-35498
denial of service
suse linux enterprise
vendorfix

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

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

AI Score

7.7

Confidence

High

EPSS

0.004

Percentile

72.2%

The remote host is missing an update for the

# SPDX-FileCopyrightText: 2021 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.4.2021.0436.1");
  script_cve_id("CVE-2020-35498");
  script_tag(name:"creation_date", value:"2021-06-09 14:56:44 +0000 (Wed, 09 Jun 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-02-17 18:22:41 +0000 (Wed, 17 Feb 2021)");

  script_name("SUSE: Security Advisory (SUSE-SU-2021:0436-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES15\.0SP2)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:0436-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20210436-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'openvswitch' package(s) announced via the SUSE-SU-2021:0436-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"This update for openvswitch fixes the following issues:

CVE-2020-35498: Fixed a denial of service related to the handling of
 Ethernet padding (bsc#1181742).");

  script_tag(name:"affected", value:"'openvswitch' package(s) on SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2, SUSE Linux Enterprise Module for Server Applications 15-SP2.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "SLES15.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"libopenvswitch-2_13-0", rpm:"libopenvswitch-2_13-0~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libopenvswitch-2_13-0-debuginfo", rpm:"libopenvswitch-2_13-0-debuginfo~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-debuginfo", rpm:"openvswitch-debuginfo~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-debugsource", rpm:"openvswitch-debugsource~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python3-ovs", rpm:"python3-ovs~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libovn-20_03-0", rpm:"libovn-20_03-0~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libovn-20_03-0-debuginfo", rpm:"libovn-20_03-0-debuginfo~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch", rpm:"openvswitch~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-devel", rpm:"openvswitch-devel~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-ipsec", rpm:"openvswitch-ipsec~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-pki", rpm:"openvswitch-pki~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-test", rpm:"openvswitch-test~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-test-debuginfo", rpm:"openvswitch-test-debuginfo~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-vtep", rpm:"openvswitch-vtep~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openvswitch-vtep-debuginfo", rpm:"openvswitch-vtep-debuginfo~2.13.2~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ovn", rpm:"ovn~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ovn-central", rpm:"ovn-central~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ovn-devel", rpm:"ovn-devel~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ovn-docker", rpm:"ovn-docker~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ovn-host", rpm:"ovn-host~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ovn-vtep", rpm:"ovn-vtep~20.03.1~9.14.1", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

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

AI Score

7.7

Confidence

High

EPSS

0.004

Percentile

72.2%