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openvasCopyright (C) 2023 Greenbone AGOPENVAS:1361412562311220231696
HistoryMay 08, 2023 - 12:00 a.m.

Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2023-1696)

2023-05-0800:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
8
huawei euleros
bind
security update
cve-2022-2795
cve-2022-38177
dns
memory leak
denial of service

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

Confidence

High

EPSS

0.003

Percentile

66.2%

The remote host is missing an update for the Huawei EulerOS

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.2.2023.1696");
  script_cve_id("CVE-2022-2795", "CVE-2022-38177");
  script_tag(name:"creation_date", value:"2023-05-08 04:14:25 +0000 (Mon, 08 May 2023)");
  script_version("2024-02-05T14:36:57+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:57 +0000 (Mon, 05 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:"2022-09-23 16:43:17 +0000 (Fri, 23 Sep 2022)");

  script_name("Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2023-1696)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Huawei EulerOS Local Security Checks");
  script_dependencies("gb_huawei_euleros_consolidation.nasl");
  script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROSVIRTARM64\-3\.0\.2\.0");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2023-1696");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2023-1696");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'bind' package(s) announced via the EulerOS-SA-2023-1696 advisory.");

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

  script_tag(name:"insight", value:"By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.(CVE-2022-38177)

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.(CVE-2022-2795)");

  script_tag(name:"affected", value:"'bind' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.2.0.");

  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 == "EULEROSVIRTARM64-3.0.2.0") {

  if(!isnull(res = isrpmvuln(pkg:"bind-libs", rpm:"bind-libs~9.9.4~61.1.h19", rls:"EULEROSVIRTARM64-3.0.2.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-libs-lite", rpm:"bind-libs-lite~9.9.4~61.1.h19", rls:"EULEROSVIRTARM64-3.0.2.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-license", rpm:"bind-license~9.9.4~61.1.h19", rls:"EULEROSVIRTARM64-3.0.2.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-utils", rpm:"bind-utils~9.9.4~61.1.h19", rls:"EULEROSVIRTARM64-3.0.2.0"))) {
    report += res;
  }

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

exit(0);

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

Confidence

High

EPSS

0.003

Percentile

66.2%