CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
73.3%
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("1.3.6.1.4.1.25623.1.1.10.2021.0477");
script_cve_id("CVE-2021-41798", "CVE-2021-41799", "CVE-2021-41800", "CVE-2021-41801");
script_tag(name:"creation_date", value:"2022-01-28 10:58:44 +0000 (Fri, 28 Jan 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:"6.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/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:"2021-10-19 17:41:24 +0000 (Tue, 19 Oct 2021)");
script_name("Mageia: Security Advisory (MGASA-2021-0477)");
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-2021-0477");
script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2021-0477.html");
script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=29531");
script_xref(name:"URL", value:"https://www.debian.org/security/2021/dsa-4979");
script_xref(name:"URL", value:"https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/");
script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/[email protected]/thread/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'mediawiki' package(s) announced via the MGASA-2021-0477 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"XSS vulnerability in Special:Search. (CVE-2021-41798)
ApiQueryBacklinks can cause a full table scan. (CVE-2021-41799)
Fix PoolCounter protection of Special:Contributions. (CVE-2021-41800)
ReplaceText continues performing actions if the user no longer has the
correct permission (such as by being blocked). (CVE-2021-41801)");
script_tag(name:"affected", value:"'mediawiki' 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:"mediawiki", rpm:"mediawiki~1.35.4~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"mediawiki-mysql", rpm:"mediawiki-mysql~1.35.4~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"mediawiki-pgsql", rpm:"mediawiki-pgsql~1.35.4~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"mediawiki-sqlite", rpm:"mediawiki-sqlite~1.35.4~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
advisories.mageia.org/MGASA-2021-0477.html
bugs.mageia.org/show_bug.cgi?id=29531
lists.fedoraproject.org/archives/list/[email protected]/thread/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
lists.wikimedia.org/hyperkitty/list/[email protected]/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
www.debian.org/security/2021/dsa-4979
MGASA-2021-0477
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
73.3%