Huawei EulerOS: Security Advisory for libgcrypt (EulerOS-SA-2021-2914) - ElGamal plaintext recovery vulnerabilit
Reporter | Title | Published | Views | Family All 101 |
---|---|---|---|---|
![]() | CVE-2021-40528 affecting package libgcrypt 1.8.7-3 | 6 Nov 202106:45 | – | cbl_mariner |
![]() | Rocky Linux 8 : libgcrypt (RLSA-2022:5311) | 6 Nov 202300:00 | – | nessus |
![]() | AlmaLinux 8 : libgcrypt (5311) (ALSA-2022:5311) | 21 Jul 202200:00 | – | nessus |
![]() | EulerOS 2.0 SP10 : libgcrypt (EulerOS-SA-2022-1228) | 25 Feb 202200:00 | – | nessus |
![]() | NewStart CGSL MAIN 6.06 : libgcrypt Vulnerability (NS-SA-2023-0085) | 27 Dec 202300:00 | – | nessus |
![]() | Debian DLA-2691-1 : libgcrypt20 - LTS security update | 25 Jun 202100:00 | – | nessus |
![]() | EulerOS 2.0 SP9 : libgcrypt (EulerOS-SA-2021-2922) | 30 Dec 202100:00 | – | nessus |
![]() | EulerOS 2.0 SP10 : libgcrypt (EulerOS-SA-2022-1209) | 25 Feb 202200:00 | – | nessus |
![]() | Photon OS 4.0: Libgcrypt PHSA-2021-4.0-0124 | 23 Jul 202400:00 | – | nessus |
![]() | RHEL 8 : libgcrypt (RHSA-2022:5311) | 1 Jul 202200:00 | – | nessus |
Source | Link |
---|---|
developer | www.developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html |
# 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("1.3.6.1.4.1.25623.1.1.2.2021.2914");
script_cve_id("CVE-2021-40528");
script_tag(name:"creation_date", value:"2021-12-31 03:22:36 +0000 (Fri, 31 Dec 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:"2.6");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:N/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/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:"2021-09-13 16:22:05 +0000 (Mon, 13 Sep 2021)");
script_name("Huawei EulerOS: Security Advisory for libgcrypt (EulerOS-SA-2021-2914)");
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\.0SP9");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2021-2914");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2021-2914");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'libgcrypt' package(s) announced via the EulerOS-SA-2021-2914 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.(CVE-2021-40528)");
script_tag(name:"affected", value:"'libgcrypt' package(s) on Huawei EulerOS V2.0SP9.");
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-2.0SP9") {
if(!isnull(res = isrpmvuln(pkg:"libgcrypt", rpm:"libgcrypt~1.8.5~1.h6.eulerosv2r9", rls:"EULEROS-2.0SP9"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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