CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.7%
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("1.3.6.1.4.1.25623.1.1.10.2021.0439");
script_cve_id("CVE-2021-33193", "CVE-2021-34798", "CVE-2021-36160", "CVE-2021-39275", "CVE-2021-40438");
script_tag(name:"creation_date", value:"2022-01-28 10:58:44 +0000 (Fri, 28 Jan 2022)");
script_version("2024-08-08T05:05:41+0000");
script_tag(name:"last_modification", value:"2024-08-08 05:05:41 +0000 (Thu, 08 Aug 2024)");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-09-30 15:20:22 +0000 (Thu, 30 Sep 2021)");
script_name("Mageia: Security Advisory (MGASA-2021-0439)");
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-2021-0439");
script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2021-0439.html");
script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=29466");
script_xref(name:"URL", value:"https://downloads.apache.org/httpd/Announcement2.4.html");
script_xref(name:"URL", value:"https://downloads.apache.org/httpd/CHANGES_2.4.49");
script_xref(name:"URL", value:"https://httpd.apache.org/security/vulnerabilities_24.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'apache' package(s) announced via the MGASA-2021-0439 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"A crafted method sent through HTTP/2 will bypass validation and be
forwarded by mod_proxy, which can lead to request splitting or cache
poisoning. (CVE-2021-33193)
Malformed requests may cause the server to dereference a NULL pointer.
(CVE-2021-34798)
A carefully crafted request uri-path can cause mod_proxy_uwsgi to read
above the allocated memory and crash (DoS). (CVE-2021-36160)
ap_escape_quotes() may write beyond the end of a buffer when given
malicious input. No included modules pass untrusted data to these
functions, but third-party / external modules may. (CVE-2021-39275)
A crafted request uri-path can cause mod_proxy to forward the request to
an origin server chosen by the remote user. (CVE-2021-40438)");
script_tag(name:"affected", value:"'apache' 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");
script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
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:"apache", rpm:"apache~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-devel", rpm:"apache-devel~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-doc", rpm:"apache-doc~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-htcacheclean", rpm:"apache-htcacheclean~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_brotli", rpm:"apache-mod_brotli~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_cache", rpm:"apache-mod_cache~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_dav", rpm:"apache-mod_dav~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_dbd", rpm:"apache-mod_dbd~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_http2", rpm:"apache-mod_http2~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_ldap", rpm:"apache-mod_ldap~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_proxy", rpm:"apache-mod_proxy~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_proxy_html", rpm:"apache-mod_proxy_html~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_session", rpm:"apache-mod_session~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_ssl", rpm:"apache-mod_ssl~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_suexec", rpm:"apache-mod_suexec~2.4.49~1.mga8", rls:"MAGEIA8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"apache-mod_userdir", rpm:"apache-mod_userdir~2.4.49~1.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-2021-0439.html
bugs.mageia.org/show_bug.cgi?id=29466
downloads.apache.org/httpd/Announcement2.4.html
downloads.apache.org/httpd/CHANGES_2.4.49
httpd.apache.org/security/vulnerabilities_24.html
www.cisa.gov/known-exploited-vulnerabilities-catalog
Known Exploited Vulnerability (KEV) catalog
MGASA-2021-0439
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.7%