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openvasCopyright (C) 2023 Greenbone AGOPENVAS:1361412562311220232454
HistoryJul 31, 2023 - 12:00 a.m.

Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2023-2454)

2023-07-3100:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
1

7 High

AI Score

Confidence

High

0.011 Low

EPSS

Percentile

84.4%

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("1.3.6.1.4.1.25623.1.1.2.2023.2454");
  script_cve_id("CVE-2023-25136");
  script_tag(name:"creation_date", value:"2023-07-31 04:15:11 +0000 (Mon, 31 Jul 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:"6.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:N/I:P/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-03-07 20:18:02 +0000 (Tue, 07 Mar 2023)");

  script_name("Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2023-2454)");
  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\.10\.1");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2023-2454");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2023-2454");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'openssh' package(s) announced via the EulerOS-SA-2023-2454 advisory.");

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

  script_tag(name:"insight", value:"OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One third-party report states 'remote code execution is theoretically possible.'(CVE-2023-25136)");

  script_tag(name:"affected", value:"'openssh' package(s) on Huawei EulerOS Virtualization release 2.10.1.");

  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-2.10.1") {

  if(!isnull(res = isrpmvuln(pkg:"openssh", rpm:"openssh~8.2p1~9.h48.eulerosv2r10", rls:"EULEROSVIRT-2.10.1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-clients", rpm:"openssh-clients~8.2p1~9.h48.eulerosv2r10", rls:"EULEROSVIRT-2.10.1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"openssh-server", rpm:"openssh-server~8.2p1~9.h48.eulerosv2r10", rls:"EULEROSVIRT-2.10.1"))) {
    report += res;
  }

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

exit(0);