5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.087 Low
EPSS
Percentile
94.5%
Julien Cristau discovered that hybserv, a daemon running IRC services for IRCD-Hybrid, is prone to a denial of service attack via the commands option.
#%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-1982. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(44846);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2010-0303");
script_xref(name:"DSA", value:"1982");
script_name(english:"Debian DSA-1982-1 : hybserv - denial of service");
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:
"Julien Cristau discovered that hybserv, a daemon running IRC services
for IRCD-Hybrid, is prone to a denial of service attack via the
commands option."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2010/dsa-1982"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the hybserv packages.
For the stable distribution (lenny), this problem has been fixed in
version 1.9.2-4+lenny2.
Due to a bug in the archive system, it is not possible to release the
fix for the oldstable distribution (etch) simultaneously. Therefore,
etch will be fixed in version 1.9.2-4+etch1 as soon as it becomes
available."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_cwe_id(20);
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:hybserv");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");
script_set_attribute(attribute:"patch_publication_date", value:"2010/01/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2010/02/24");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2010-2021 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:"5.0", prefix:"hybserv", reference:"1.9.2-4+lenny2")) 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 | hybserv | p-cpe:/a:debian:debian_linux:hybserv |
debian | debian_linux | 5.0 | cpe:/o:debian:debian_linux:5.0 |