CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:N/I:P/A:P
EPSS
Percentile
86.6%
Teemu Salmela discovered a vulnerability in GNU tar that could allow a malicious user to overwrite arbitrary files by inducing the victim to attempt to extract a specially crafted tar file containing a GNUTYPE_NAMES record with a symbolic link.
#%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-1223. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(23765);
script_version("1.19");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2006-6097");
script_bugtraq_id(21235);
script_xref(name:"DSA", value:"1223");
script_name(english:"Debian DSA-1223-1 : tar - input validation error");
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:
"Teemu Salmela discovered a vulnerability in GNU tar that could allow a
malicious user to overwrite arbitrary files by inducing the victim to
attempt to extract a specially crafted tar file containing a
GNUTYPE_NAMES record with a symbolic link."
);
script_set_attribute(
attribute:"see_also",
value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=399845"
);
script_set_attribute(
attribute:"see_also",
value:"http://www.debian.org/security/2006/dsa-1223"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the tar package.
For the stable distribution (sarge), this problem has been fixed in
version 1.14-2.3."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:tar");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1");
script_set_attribute(attribute:"patch_publication_date", value:"2006/12/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2006/12/04");
script_set_attribute(attribute:"vuln_publication_date", value:"2006/11/21");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2006-2021 Tenable Network Security, Inc.");
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:"3.1", prefix:"tar", reference:"1.14-2.3")) 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");