CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
Percentile
77.0%
It was discovered that the web interface in CUPS, the Common UNIX Printing System, incorrectly validated permissions on rss files and directory index files. A local attacker could possibly use this issue to bypass file permissions and read arbitrary files, possibly leading to a privilege escalation.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-2990. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(76857);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2014-3537", "CVE-2014-5029", "CVE-2014-5030", "CVE-2014-5031");
script_bugtraq_id(68788, 68842, 68846, 68847);
script_xref(name:"DSA", value:"2990");
script_name(english:"Debian DSA-2990-1 : cups - 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 web interface in CUPS, the Common UNIX
Printing System, incorrectly validated permissions on rss files and
directory index files. A local attacker could possibly use this issue
to bypass file permissions and read arbitrary files, possibly leading
to a privilege escalation."
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/wheezy/cups"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2014/dsa-2990"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the cups packages.
For the stable distribution (wheezy), these problems have been fixed
in version 1.5.3-5+deb7u4."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:cups");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");
script_set_attribute(attribute:"patch_publication_date", value:"2014/07/27");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/07/28");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2014-2021 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:"7.0", prefix:"cups", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"cups-bsd", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"cups-client", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"cups-common", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"cups-dbg", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"cups-ppdc", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"cupsddk", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcups2", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcups2-dev", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupscgi1", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupscgi1-dev", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsdriver1", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsdriver1-dev", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsimage2", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsimage2-dev", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsmime1", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsmime1-dev", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsppdc1", reference:"1.5.3-5+deb7u4")) flag++;
if (deb_check(release:"7.0", prefix:"libcupsppdc1-dev", reference:"1.5.3-5+deb7u4")) 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");