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openvasCopyright (C) 2023 Greenbone AGOPENVAS:1361412562311220231207
HistoryJan 12, 2023 - 12:00 a.m.

Huawei EulerOS: Security Advisory for unzip (EulerOS-SA-2023-1207)

2023-01-1200:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
5
huawei
euleros
unzip
vulnerability
unicode
null pointer
code execution
cve-2021-4217
package
update
solution
huawei euleros virtualization release 2.9.1

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

4.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.7%

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("1.3.6.1.4.1.25623.1.1.2.2023.1207");
  script_cve_id("CVE-2021-4217");
  script_tag(name:"creation_date", value:"2023-01-12 04:15:41 +0000 (Thu, 12 Jan 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:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-11-29 15:45:16 +0000 (Tue, 29 Nov 2022)");

  script_name("Huawei EulerOS: Security Advisory for unzip (EulerOS-SA-2023-1207)");
  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=EULEROSVIRT\-2\.9\.1");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2023-1207");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2023-1207");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'unzip' package(s) announced via the EulerOS-SA-2023-1207 advisory.");

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

  script_tag(name:"insight", value:"A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.(CVE-2021-4217)");

  script_tag(name:"affected", value:"'unzip' package(s) on Huawei EulerOS Virtualization release 2.9.1.");

  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 == "EULEROSVIRT-2.9.1") {

  if(!isnull(res = isrpmvuln(pkg:"unzip", rpm:"unzip~6.0~45.h2.r1.eulerosv2r9", rls:"EULEROSVIRT-2.9.1"))) {
    report += res;
  }

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

exit(0);

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

4.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.7%