Jakub Wilk discovered a directory traversal flaw in the Archive::Tar module, allowing an attacker to overwrite any file writable by the extracting user via a specially crafted tar archive.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4226. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(110464);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/19");
script_cve_id("CVE-2018-12015");
script_xref(name:"DSA", value:"4226");
script_xref(name:"IAVA", value:"2018-A-0407-S");
script_name(english:"Debian DSA-4226-1 : perl - 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:
"Jakub Wilk discovered a directory traversal flaw in the Archive::Tar
module, allowing an attacker to overwrite any file writable by the
extracting user via a specially crafted tar archive."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900834"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/perl"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/jessie/perl"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/perl"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2018/dsa-4226"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the perl packages.
For the oldstable distribution (jessie), this problem has been fixed
in version 5.20.2-3+deb8u11.
For the stable distribution (stretch), this problem has been fixed in
version 5.24.1-3+deb9u4."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:perl");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"patch_publication_date", value:"2018/06/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/06/12");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018-2020 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:"8.0", prefix:"libperl-dev", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"8.0", prefix:"libperl5.20", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"8.0", prefix:"perl", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"8.0", prefix:"perl-base", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"8.0", prefix:"perl-debug", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"8.0", prefix:"perl-doc", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"8.0", prefix:"perl-modules", reference:"5.20.2-3+deb8u11")) flag++;
if (deb_check(release:"9.0", prefix:"libperl-dev", reference:"5.24.1-3+deb9u4")) flag++;
if (deb_check(release:"9.0", prefix:"libperl5.24", reference:"5.24.1-3+deb9u4")) flag++;
if (deb_check(release:"9.0", prefix:"perl", reference:"5.24.1-3+deb9u4")) flag++;
if (deb_check(release:"9.0", prefix:"perl-base", reference:"5.24.1-3+deb9u4")) flag++;
if (deb_check(release:"9.0", prefix:"perl-debug", reference:"5.24.1-3+deb9u4")) flag++;
if (deb_check(release:"9.0", prefix:"perl-doc", reference:"5.24.1-3+deb9u4")) flag++;
if (deb_check(release:"9.0", prefix:"perl-modules-5.24", reference:"5.24.1-3+deb9u4")) 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 | perl | p-cpe:/a:debian:debian_linux:perl |
debian | debian_linux | 8.0 | cpe:/o:debian:debian_linux:8.0 |
debian | debian_linux | 9.0 | cpe:/o:debian:debian_linux:9.0 |