Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2023-1257) A flaw was found in grub2 when handling split HTTP headers, allowing an attacker to craft a malicious s(CVE-2022-28734
Reporter | Title | Published | Views | Family All 199 |
---|---|---|---|---|
Tenable Nessus | EulerOS Virtualization 3.0.6.6 : grub2 (EulerOS-SA-2022-2504) | 9 Oct 202200:00 | – | nessus |
Tenable Nessus | EulerOS Virtualization 3.0.2.2 : grub2 (EulerOS-SA-2023-1257) | 30 Jan 202300:00 | – | nessus |
Tenable Nessus | EulerOS Virtualization 3.0.2.0 : grub2 (EulerOS-SA-2023-1722) | 6 May 202300:00 | – | nessus |
Tenable Nessus | EulerOS 2.0 SP5 : grub2 (EulerOS-SA-2022-2268) | 17 Aug 202200:00 | – | nessus |
Tenable Nessus | EulerOS 2.0 SP3 : grub2 (EulerOS-SA-2022-2611) | 27 Oct 202200:00 | – | nessus |
Tenable Nessus | EulerOS Virtualization 2.9.0 : grub2 (EulerOS-SA-2022-2381) | 23 Sep 202200:00 | – | nessus |
Tenable Nessus | Photon OS 3.0: Grub2 PHSA-2023-3.0-0617 | 24 Jul 202400:00 | – | nessus |
Tenable Nessus | Photon OS 4.0: Grub2 PHSA-2023-4.0-0436 | 24 Jul 202400:00 | – | nessus |
Tenable Nessus | EulerOS Virtualization 2.9.1 : grub2 (EulerOS-SA-2022-2345) | 23 Sep 202200:00 | – | nessus |
Tenable Nessus | Amazon Linux 2022 : (ALAS2022-2022-109) | 7 Sep 202200:00 | – | nessus |
Source | Link |
---|---|
developer | www.developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html |
# 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("1.3.6.1.4.1.25623.1.1.2.2023.1257");
script_cve_id("CVE-2021-3695", "CVE-2021-3696", "CVE-2021-3981", "CVE-2022-28734");
script_tag(name:"creation_date", value:"2023-01-31 04:21:24 +0000 (Tue, 31 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:"6.9");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2024-01-16 19:43:16 +0000 (Tue, 16 Jan 2024)");
script_name("Huawei EulerOS: Security Advisory for grub2 (EulerOS-SA-2023-1257)");
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\-3\.0\.2\.2");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2023-1257");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2023-1257");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'grub2' package(s) announced via the EulerOS-SA-2023-1257 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 grub2 when handling split HTTP headers. While processing a split HTTP header, grub2 wrongly advances its control pointer to the internal buffer by one position, which can lead to an out-of-bounds write. This flaw allows an attacker to leverage this issue by crafting a malicious s(CVE-2022-28734)");
script_tag(name:"affected", value:"'grub2' package(s) on Huawei EulerOS Virtualization 3.0.2.2.");
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-3.0.2.2") {
if(!isnull(res = isrpmvuln(pkg:"grub2", rpm:"grub2~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-common", rpm:"grub2-common~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-efi-x64", rpm:"grub2-efi-x64~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-efi-x64-cdboot", rpm:"grub2-efi-x64-cdboot~2.02~0.65.2", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-efi-x64-modules", rpm:"grub2-efi-x64-modules~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-pc", rpm:"grub2-pc~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-pc-modules", rpm:"grub2-pc-modules~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-tools", rpm:"grub2-tools~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-tools-extra", rpm:"grub2-tools-extra~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"grub2-tools-minimal", rpm:"grub2-tools-minimal~2.02~0.65.2.h17", rls:"EULEROSVIRT-3.0.2.2"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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