CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
12.8%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.1.10.2022.0418");
script_cve_id("CVE-2021-3782");
script_tag(name:"creation_date", value:"2022-11-14 04:25:42 +0000 (Mon, 14 Nov 2022)");
script_version("2024-02-02T05:06:09+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:09 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"5.7");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:P/I:P/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-06-01 17:57:41 +0000 (Thu, 01 Jun 2023)");
script_name("Mageia: Security Advisory (MGASA-2022-0418)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone AG");
script_family("Mageia Linux Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/mageia_linux", "ssh/login/release", re:"ssh/login/release=MAGEIA8");
script_xref(name:"Advisory-ID", value:"MGASA-2022-0418");
script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2022-0418.html");
script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=30855");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5614-1");
script_tag(name:"summary", value:"The remote host is missing an update for the 'wayland' package(s) announced via the MGASA-2022-0418 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"An internal reference count is held on the buffer pool, incremented every
time a new buffer is created from the pool. The reference count is
maintained as an int, on LP64 systems this can cause the reference count
to overflow if the client creates a large number of wl_shm buffer objects,
or if it can coerce the server to create a large number of external
references to the buffer storage. With the reference count overflowing, a
use-after-free can be constructed on the wl_shm_pool tracking structure,
where values may be incremented or decremented, it may also be possible to
construct a limited oracle to leak 4 bytes of server-side memory to the
attacking client at a time. (CVE-2021-3782)");
script_tag(name:"affected", value:"'wayland' package(s) on Mageia 8.");
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 == "MAGEIA8") {
if(!isnull(res = isrpmvuln(pkg:"lib64wayland-client0", rpm:"lib64wayland-client0~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"lib64wayland-cursor0", rpm:"lib64wayland-cursor0~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"lib64wayland-devel", rpm:"lib64wayland-devel~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"lib64wayland-egl1", rpm:"lib64wayland-egl1~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"lib64wayland-server0", rpm:"lib64wayland-server0~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libwayland-client0", rpm:"libwayland-client0~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libwayland-cursor0", rpm:"libwayland-cursor0~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libwayland-devel", rpm:"libwayland-devel~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libwayland-egl1", rpm:"libwayland-egl1~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libwayland-server0", rpm:"libwayland-server0~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"wayland", rpm:"wayland~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"wayland-doc", rpm:"wayland-doc~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"wayland-tools", rpm:"wayland-tools~1.18.0~3.1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
12.8%