It was discovered that the Go programming language did accept and normalize invalid HTTP/1.1 headers with a space before the colon, which could lead to filter bypasses or request smuggling in some setups.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4534. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(129412);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/10/09");
script_cve_id("CVE-2019-16276");
script_xref(name:"DSA", value:"4534");
script_xref(name:"IAVB", value:"2019-B-0085-S");
script_name(english:"Debian DSA-4534-1 : golang-1.11 - security update");
script_summary(english:"Checks dpkg output for the updated package");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security-related update."
);
script_set_attribute(
attribute:"description",
value:
"It was discovered that the Go programming language did accept and
normalize invalid HTTP/1.1 headers with a space before the colon,
which could lead to filter bypasses or request smuggling in some
setups."
);
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/golang-1.11");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/golang-1.11");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4534");
script_set_attribute(
attribute:"solution",
value:
"Upgrade the golang-1.11 packages.
For the stable distribution (buster), this problem has been fixed in
version 1.11.6-1+deb10u2."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
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:H/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-16276");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:golang-1.11");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/30");
script_set_attribute(attribute:"patch_publication_date", value:"2019/09/27");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/30");
script_set_attribute(attribute:"stig_severity", value:"II");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Debian Local Security Checks");
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:"golang-1.11", reference:"1.11.6-1+deb10u2")) flag++;
if (deb_check(release:"10.0", prefix:"golang-1.11-doc", reference:"1.11.6-1+deb10u2")) flag++;
if (deb_check(release:"10.0", prefix:"golang-1.11-go", reference:"1.11.6-1+deb10u2")) flag++;
if (deb_check(release:"10.0", prefix:"golang-1.11-src", reference:"1.11.6-1+deb10u2")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | golang-1.11 | p-cpe:/a:debian:debian_linux:golang-1.11 |
debian | debian_linux | 10.0 | cpe:/o:debian:debian_linux:10.0 |