7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 High
AI Score
Confidence
High
0.097 Low
EPSS
Percentile
94.8%
Three vulnerabilities were discovered in the HTTP/2 code of Nginx, a high-performance web and reverse proxy server, which could result in denial of service.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4505. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(128083);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/02");
script_cve_id("CVE-2019-9511", "CVE-2019-9513", "CVE-2019-9516");
script_xref(name:"DSA", value:"4505");
script_xref(name:"CEA-ID", value:"CEA-2019-0643");
script_name(english:"Debian DSA-4505-1 : nginx - security update (0-Length Headers Leak) (Data Dribble) (Resource Loop)");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
script_set_attribute(attribute:"description", value:
"Three vulnerabilities were discovered in the HTTP/2 code of Nginx, a
high-performance web and reverse proxy server, which could result in
denial of service.");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/nginx");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/stretch/nginx");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/nginx");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4505");
script_set_attribute(attribute:"solution", value:
"Upgrade the nginx packages.
For the oldstable distribution (stretch), these problems have been
fixed in version 1.10.3-1+deb9u3.
For the stable distribution (buster), these problems have been fixed
in version 1.14.2-2+deb10u1.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-9513");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/08/13");
script_set_attribute(attribute:"patch_publication_date", value:"2019/08/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/23");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:nginx");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-auth-pam", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-cache-purge", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-dav-ext", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-echo", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-fancyindex", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-geoip", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-headers-more-filter", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-image-filter", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-lua", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-ndk", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-perl", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-subs-filter", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-uploadprogress", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-upstream-fair", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-http-xslt-filter", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-mail", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-nchan", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-rtmp", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"libnginx-mod-stream", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"nginx", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"nginx-common", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"nginx-doc", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"nginx-extras", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"nginx-full", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"nginx-light", reference:"1.14.2-2+deb10u1")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-auth-pam", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-cache-purge", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-dav-ext", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-echo", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-fancyindex", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-geoip", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-headers-more-filter", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-image-filter", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-lua", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-ndk", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-perl", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-subs-filter", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-uploadprogress", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-upstream-fair", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-http-xslt-filter", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-mail", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-nchan", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libnginx-mod-stream", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"nginx", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"nginx-common", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"nginx-doc", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"nginx-extras", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"nginx-full", reference:"1.10.3-1+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"nginx-light", reference:"1.10.3-1+deb9u3")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | nginx | p-cpe:/a:debian:debian_linux:nginx |
debian | debian_linux | 10.0 | cpe:/o:debian:debian_linux:10.0 |
debian | debian_linux | 9.0 | cpe:/o:debian:debian_linux:9.0 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9511
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9513
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9516
packages.debian.org/source/buster/nginx
packages.debian.org/source/stretch/nginx
security-tracker.debian.org/tracker/source-package/nginx
www.debian.org/security/2019/dsa-4505
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 High
AI Score
Confidence
High
0.097 Low
EPSS
Percentile
94.8%