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Huawei EulerOS: Security Advisory for libgcrypt (EulerOS-SA-2019-2695)

🗓️ 23 Jan 2020 00:00:00Reported by Copyright (C) 2020 Greenbone AGType 
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The remote host is missing an update for the Huawei EulerOS 'libgcrypt' package(s) announced via the EulerOS-SA-2019-2695 advisory. Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication. Please install the updated package(s)

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# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.1.2.2019.2695");
  script_cve_id("CVE-2014-3591");
  script_tag(name:"creation_date", value:"2020-01-23 13:14:40 +0000 (Thu, 23 Jan 2020)");
  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:"1.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-12-05 18:06:49 +0000 (Thu, 05 Dec 2019)");

  script_name("Huawei EulerOS: Security Advisory for libgcrypt (EulerOS-SA-2019-2695)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 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\.0SP5");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2019-2695");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2019-2695");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'libgcrypt' package(s) announced via the EulerOS-SA-2019-2695 advisory.");

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

  script_tag(name:"insight", value:"Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.(CVE-2014-3591)");

  script_tag(name:"affected", value:"'libgcrypt' package(s) on Huawei EulerOS V2.0SP5.");

  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-2.0SP5") {

  if(!isnull(res = isrpmvuln(pkg:"libgcrypt", rpm:"libgcrypt~1.5.3~14.h3.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libgcrypt-devel", rpm:"libgcrypt-devel~1.5.3~14.h3.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

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

exit(0);

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23 Jan 2020 00:00Current
5.5Medium risk
Vulners AI Score5.5
CVSS21.9
CVSS34.2
EPSS0.001
21
.json
Report