CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
15.9%
The remote host is missing an update for the
# 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("1.3.6.1.4.1.25623.1.1.10.2023.0131");
script_cve_id("CVE-2023-1393");
script_tag(name:"creation_date", value:"2023-04-12 04:12:44 +0000 (Wed, 12 Apr 2023)");
script_version("2024-02-02T05:06:10+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-04-07 14:42:42 +0000 (Fri, 07 Apr 2023)");
script_name("Mageia: Security Advisory (MGASA-2023-0131)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 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-2023-0131");
script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2023-0131.html");
script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=31732");
script_xref(name:"URL", value:"https://lists.x.org/archives/xorg-announce/2023-March/003374.html");
script_xref(name:"URL", value:"https://www.debian.org/security/2023/dsa-5380");
script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5986-1");
script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/[email protected]/thread/CB62PUAZRE2ZK6PDX6OZ2WSYXDJGBGTS/");
script_xref(name:"URL", value:"https://access.redhat.com/errata/RHSA-2023:1592");
script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/[email protected]/thread/SW2NRC3V53PIBXFPFBVWCOM2MDDILWQS/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'tigervnc, x11-server' package(s) announced via the MGASA-2023-0131 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 X.Org Server Overlay Window. A Use-After-Free may lead
to local privilege escalation. If a client explicitly destroys the
compositor overlay window (aka COW), the Xserver would leave a dangling
pointer to that window in the CompScreen structure, which will trigger a
use-after-free later. (CVE-2023-1393)");
script_tag(name:"affected", value:"'tigervnc, x11-server' 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:"tigervnc", rpm:"tigervnc~1.11.0~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"tigervnc-java", rpm:"tigervnc-java~1.11.0~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"tigervnc-server", rpm:"tigervnc-server~1.11.0~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"tigervnc-server-module", rpm:"tigervnc-server-module~1.11.0~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server", rpm:"x11-server~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-common", rpm:"x11-server-common~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-devel", rpm:"x11-server-devel~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-source", rpm:"x11-server-source~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-xdmx", rpm:"x11-server-xdmx~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-xephyr", rpm:"x11-server-xephyr~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-xnest", rpm:"x11-server-xnest~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-xorg", rpm:"x11-server-xorg~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-xvfb", rpm:"x11-server-xvfb~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"x11-server-xwayland", rpm:"x11-server-xwayland~1.20.14~4.3.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
access.redhat.com/errata/RHSA-2023:1592
advisories.mageia.org/MGASA-2023-0131.html
bugs.mageia.org/show_bug.cgi?id=31732
lists.fedoraproject.org/archives/list/[email protected]/thread/CB62PUAZRE2ZK6PDX6OZ2WSYXDJGBGTS/
lists.fedoraproject.org/archives/list/[email protected]/thread/SW2NRC3V53PIBXFPFBVWCOM2MDDILWQS/
lists.x.org/archives/xorg-announce/2023-March/003374.html
ubuntu.com/security/notices/USN-5986-1
www.debian.org/security/2023/dsa-5380
MGASA-2023-0131
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
15.9%