Two problems have been discovered in gzip, the GNU compression utility. The Common Vulnerabilities and Exposures project identifies the following problems.
CAN-2005-0988 Imran Ghory discovered a race condition in the permissions setting code in gzip. When decompressing a file in a directory an attacker has access to, gunzip could be tricked to set the file permissions to a different file the user has permissions to.
CAN-2005-1228
Ulf Harnhammar discovered a path traversal vulnerability in gunzip. When gunzip is used with the -N option an attacker could use this vulnerability to create files in an arbitrary directory with the permissions of the user.
#%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-752. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(18673);
script_version("1.20");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2005-0988", "CVE-2005-1228");
script_xref(name:"DSA", value:"752");
script_name(english:"Debian DSA-752-1 : gzip - several vulnerabilities");
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:
"Two problems have been discovered in gzip, the GNU compression
utility. The Common Vulnerabilities and Exposures project identifies
the following problems.
- CAN-2005-0988
Imran Ghory discovered a race condition in the
permissions setting code in gzip. When decompressing a
file in a directory an attacker has access to, gunzip
could be tricked to set the file permissions to a
different file the user has permissions to.
- CAN-2005-1228
Ulf Harnhammar discovered a path traversal
vulnerability in gunzip. When gunzip is used with the -N
option an attacker could use this vulnerability to
create files in an arbitrary directory with the
permissions of the user."
);
script_set_attribute(
attribute:"see_also",
value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=305255"
);
script_set_attribute(
attribute:"see_also",
value:"http://www.debian.org/security/2005/dsa-752"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the gzip package.
For the oldstable distribution (woody) these problems have been fixed
in version 1.3.2-3woody5.
For the stable distribution (sarge) these problems have been fixed in
version 1.3.5-10."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gzip");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1");
script_set_attribute(attribute:"patch_publication_date", value:"2005/07/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2005/07/12");
script_set_attribute(attribute:"vuln_publication_date", value:"2005/04/04");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2005-2021 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:"3.0", prefix:"gzip", reference:"1.3.2-3woody5")) flag++;
if (deb_check(release:"3.1", prefix:"gzip", reference:"1.3.5-10")) 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 | gzip | p-cpe:/a:debian:debian_linux:gzip |
debian | debian_linux | 3.0 | cpe:/o:debian:debian_linux:3.0 |
debian | debian_linux | 3.1 | cpe:/o:debian:debian_linux:3.1 |