CVE-2017-8817
Fuzzing by the OSS-Fuzz project led to the discovery of a read out of bounds flaw in the FTP wildcard function in libcurl. A malicious server could redirect a libcurl-based client to an URL using a wildcard pattern, triggering the out-of-bound read.
For Debian 7 โWheezyโ, these problems have been fixed in version 7.26.0-1+wheezy23.
We recommend that you upgrade your curl packages.
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1195-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(104937);
script_version("3.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2017-8817");
script_name(english:"Debian DLA-1195-1 : curl security update");
script_summary(english:"Checks dpkg output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"CVE-2017-8817
Fuzzing by the OSS-Fuzz project led to the discovery of a read out of
bounds flaw in the FTP wildcard function in libcurl. A malicious
server could redirect a libcurl-based client to an URL using a
wildcard pattern, triggering the out-of-bound read.
For Debian 7 'Wheezy', these problems have been fixed in version
7.26.0-1+wheezy23.
We recommend that you upgrade your curl packages.
NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://lists.debian.org/debian-lts-announce/2017/11/msg00040.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/wheezy/curl"
);
script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/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:curl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl3-dbg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl3-gnutls");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl3-nss");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl4-gnutls-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl4-nss-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcurl4-openssl-dev");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");
script_set_attribute(attribute:"patch_publication_date", value:"2017/11/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/12/01");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 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:"curl", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl3", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl3-dbg", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl3-gnutls", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl3-nss", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl4-gnutls-dev", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl4-nss-dev", reference:"7.26.0-1+wheezy23")) flag++;
if (deb_check(release:"7.0", prefix:"libcurl4-openssl-dev", reference:"7.26.0-1+wheezy23")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | curl | p-cpe:/a:debian:debian_linux:curl |
debian | debian_linux | libcurl3 | p-cpe:/a:debian:debian_linux:libcurl3 |
debian | debian_linux | libcurl3-dbg | p-cpe:/a:debian:debian_linux:libcurl3-dbg |
debian | debian_linux | libcurl3-gnutls | p-cpe:/a:debian:debian_linux:libcurl3-gnutls |
debian | debian_linux | libcurl3-nss | p-cpe:/a:debian:debian_linux:libcurl3-nss |
debian | debian_linux | libcurl4-gnutls-dev | p-cpe:/a:debian:debian_linux:libcurl4-gnutls-dev |
debian | debian_linux | libcurl4-nss-dev | p-cpe:/a:debian:debian_linux:libcurl4-nss-dev |
debian | debian_linux | libcurl4-openssl-dev | p-cpe:/a:debian:debian_linux:libcurl4-openssl-dev |
debian | debian_linux | 7.0 | cpe:/o:debian:debian_linux:7.0 |