Debian Security Advisory DSA 3913-1 (apache2 - security update)

2017-07-18T00:00:00
ID OPENVAS:703913
Type openvas
Reporter Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net
Modified 2017-07-26T00:00:00

Description

Robert Swiecki reported that mod_auth_digest does not properly initialize or reset the value placeholder in [Proxy-]Authorization headers of type Digest between successive key=value assignments, leading to information disclosure or denial of service.

                                        
                                            # OpenVAS Vulnerability Test
# $Id: deb_3913.nasl 6800 2017-07-26 06:58:22Z cfischer $
# Auto-generated from advisory DSA 3913-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (c) the respective author(s)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#


if(description)
{
    script_id(703913);
    script_version("$Revision: 6800 $");
    script_cve_id("CVE-2017-9788");
    script_name("Debian Security Advisory DSA 3913-1 (apache2 - security update)");
    script_tag(name: "last_modification", value: "$Date: 2017-07-26 08:58:22 +0200 (Wed, 26 Jul 2017) $");
    script_tag(name: "creation_date", value: "2017-07-18 00:00:00 +0200 (Tue, 18 Jul 2017)");
    script_tag(name:"cvss_base", value:"6.4");
    script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:P");
    script_tag(name: "solution_type", value: "VendorFix");
    script_tag(name: "qod_type", value: "package");

    script_xref(name: "URL", value: "http://www.debian.org/security/2017/dsa-3913.html");

    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net");
    script_family("Debian Local Security Checks");
    script_dependencies("gather-package-list.nasl");
    script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages");
    script_tag(name: "affected",  value: "apache2 on Debian Linux");
        script_tag(name: "insight",   value: "The Apache HTTP Server Project's goal is to build a secure, efficient and
extensible HTTP server as standards-compliant open source software. The
result has long been the number one web server on the Internet.");
    script_tag(name: "solution",  value: "For the oldstable distribution (jessie), this problem has been fixed
in version 2.4.10-10+deb8u10.

For the stable distribution (stretch), this problem has been fixed in
version 2.4.25-3+deb9u2.

For the unstable distribution (sid), this problem has been fixed in
version 2.4.27-1.

We recommend that you upgrade your apache2 packages.");
    script_tag(name: "summary",   value: "Robert Swiecki reported that mod_auth_digest does not properly
initialize or reset the value placeholder in [Proxy-]Authorization
headers of type Digest 
between successive key=value assignments,
leading to information disclosure or denial of service.");
    script_tag(name: "vuldetect", value: "This check tests the installed software version using the apt package manager.");

    exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"apache2", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-bin", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-data", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-dbg", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-dev", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-doc", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-mpm-event", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-mpm-itk", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-mpm-prefork", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-mpm-worker", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-suexec", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-suexec-custom", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-suexec-pristine", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-utils", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2.2-bin", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2.2-common", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libapache2-mod-macro", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libapache2-mod-proxy-html", ver:"2.4.10-10+deb8u10", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-bin", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-data", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-dbg", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-dev", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-doc", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-ssl-dev", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-suexec-custom", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-suexec-pristine", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"apache2-utils", ver:"2.4.25-3+deb9u2", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}