Huawei EulerOS: Security Advisory for libwebp (EulerOS-SA-2021-2305)

# 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("1.3.6.1.4.1.25623.1.1.2.2021.2305");
  script_cve_id("CVE-2018-25013", "CVE-2018-25014", "CVE-2020-36332");
  script_tag(name:"creation_date", value:"2021-08-09 10:12:57 +0000 (Mon, 09 Aug 2021)");
  script_version("2024-02-05T14:36:56+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:56 +0000 (Mon, 05 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-05-24 18:15:12 +0000 (Mon, 24 May 2021)");

  script_name("Huawei EulerOS: Security Advisory for libwebp (EulerOS-SA-2021-2305)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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=EULEROS\-2\.0SP8");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2021-2305");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2021-2305");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'libwebp' package(s) announced via the EulerOS-SA-2021-2305 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 libwebp in versions before 1.0.1. An out-of-bounds read was found in function ShiftBytes. The highest threat from this vulnerability is to data confidentiality and to the service availability.(CVE-2018-25013)

A flaw was found in libwebp in versions before 1.0.1. An uninitialized variable is used in function ReadSymbol. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2018-25014)

A flaw was found in libwebp in versions before 1.0.1. When reading a file libwebp allocates an excessive amount of memory. The highest threat from this vulnerability is to the service availability.(CVE-2020-36332)");

  script_tag(name:"affected", value:"'libwebp' package(s) on Huawei EulerOS V2.0SP8.");

  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 == "EULEROS-2.0SP8") {

  if(!isnull(res = isrpmvuln(pkg:"libwebp", rpm:"libwebp~1.0.0~3.h1.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
    report += res;
  }

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

exit(0);