Vulnerabilities > CVE-2017-9473
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In ytnef 1.9.2, the TNEFFillMapi function in lib/ytnef.c allows remote attackers to cause a denial of service (memory consumption) via a crafted file.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 1 | |
OS | 1 |
Nessus
NASL family Fedora Local Security Checks NASL id FEDORA_2019-7D7083B8BE.NASL description ytnef 1.9.3 release, fixing a number of security issues : - CVE-2017-9470 - CVE-2017-9471 - CVE-2017-9474 - CVE-2017-9058 - CVE-2017-12142 - CVE-2017-12141 - CVE-2017-12144 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 125273 published 2019-05-20 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/125273 title Fedora 30 : 1:ytnef (2019-7d7083b8be) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Fedora Security Advisory FEDORA-2019-7d7083b8be. # include("compat.inc"); if (description) { script_id(125273); script_version("1.4"); script_cvs_date("Date: 2020/01/15"); script_cve_id("CVE-2017-12141", "CVE-2017-12142", "CVE-2017-12144", "CVE-2017-6298", "CVE-2017-6299", "CVE-2017-6300", "CVE-2017-6301", "CVE-2017-6302", "CVE-2017-6303", "CVE-2017-6304", "CVE-2017-6305", "CVE-2017-6306", "CVE-2017-6800", "CVE-2017-6801", "CVE-2017-6802", "CVE-2017-9058", "CVE-2017-9146", "CVE-2017-9470", "CVE-2017-9471", "CVE-2017-9472", "CVE-2017-9473", "CVE-2017-9474"); script_xref(name:"FEDORA", value:"2019-7d7083b8be"); script_name(english:"Fedora 30 : 1:ytnef (2019-7d7083b8be)"); script_summary(english:"Checks rpm output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora host is missing a security update." ); script_set_attribute( attribute:"description", value: "ytnef 1.9.3 release, fixing a number of security issues : - CVE-2017-9470 - CVE-2017-9471 - CVE-2017-9474 - CVE-2017-9058 - CVE-2017-12142 - CVE-2017-12141 - CVE-2017-12144 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. 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://bodhi.fedoraproject.org/updates/FEDORA-2019-7d7083b8be" ); script_set_attribute( attribute:"solution", value:"Update the affected 1:ytnef package." ); 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:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:1:ytnef"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:30"); script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/24"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/18"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/20"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Fedora Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora"); os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora"); os_ver = os_ver[1]; if (! preg(pattern:"^30([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 30", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC30", reference:"ytnef-1.9.3-1.fc30", epoch:"1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : rpm_report_get() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "1:ytnef"); }
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3667-1.NASL description It was discovered that libytnef incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. (CVE-2017-12141, CVE-2017-9146, CVE-2017-9471, CVE-2017-9473) It was discovered that libytnef incorrectly handled certain files. An attacker could possibly use this to access sensitive information. (CVE-2017-9058). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 110286 published 2018-06-01 reporter Ubuntu Security Notice (C) 2018-2019 Canonical, Inc. / NASL script (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/110286 title Ubuntu 14.04 LTS : libytnef vulnerabilities (USN-3667-1)
References
- https://blogs.gentoo.org/ago/2017/05/24/ytnef-memory-allocation-failure-in-tneffillmapi-ytnef-c/
- https://blogs.gentoo.org/ago/2017/05/24/ytnef-memory-allocation-failure-in-tneffillmapi-ytnef-c/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
- https://usn.ubuntu.com/3667-1/
- https://usn.ubuntu.com/3667-1/