Vulnerabilities > CVE-2017-6309 - Out-of-bounds Read vulnerability in multiple products
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
PARTIAL Summary
An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 3 | |
OS | 1 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Overread Buffers An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.
Nessus
NASL family Debian Local Security Checks NASL id DEBIAN_DLA-839.NASL description While fixing the above mentioned CVEs, upstream introduced a regression. The new patches added for this upload take care of that. For Debian 7 last seen 2020-03-17 modified 2017-02-28 plugin id 97418 published 2017-02-28 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/97418 title Debian DLA-839-2 : tnef regression update code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DLA-839-2. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(97418); script_version("3.5"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12"); script_cve_id("CVE-2017-6307", "CVE-2017-6308", "CVE-2017-6309", "CVE-2017-6310"); script_name(english:"Debian DLA-839-2 : tnef regression 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 update." ); script_set_attribute( attribute:"description", value: "While fixing the above mentioned CVEs, upstream introduced a regression. The new patches added for this upload take care of that. For Debian 7 'Wheezy', these problems have been fixed in version 1.4.9-1+deb7u2. We recommend that you upgrade your tnef 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/2017/03/msg00027.html" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/wheezy/tnef" ); script_set_attribute(attribute:"solution", value:"Upgrade the affected tnef package."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/AC:L/PR:N/UI:R/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:tnef"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0"); script_set_attribute(attribute:"patch_publication_date", value:"2017/03/24"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/02/28"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2020 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:"7.0", prefix:"tnef", reference:"1.4.9-1+deb7u2")) 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");
NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201708-02.NASL description The remote host is affected by the vulnerability described in GLSA-201708-02 (TNEF: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in TNEF. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could entice a user to process a specially crafted MIME attachment of type “application/ms-tnef” using TNEF, possibly resulting in a Denial of Service condition. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 102532 published 2017-08-17 reporter This script is Copyright (C) 2017-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/102532 title GLSA-201708-02 : TNEF: Multiple vulnerabilities code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Gentoo Linux Security Advisory GLSA 201708-02. # # The advisory text is Copyright (C) 2001-2018 Gentoo Foundation, Inc. # and licensed under the Creative Commons - Attribution / Share Alike # license. See http://creativecommons.org/licenses/by-sa/3.0/ # include("compat.inc"); if (description) { script_id(102532); script_version("$Revision: 3.2 $"); script_cvs_date("$Date: 2018/01/26 17:15:57 $"); script_cve_id("CVE-2017-6307", "CVE-2017-6308", "CVE-2017-6309", "CVE-2017-6310", "CVE-2017-8911"); script_xref(name:"GLSA", value:"201708-02"); script_name(english:"GLSA-201708-02 : TNEF: Multiple vulnerabilities"); script_summary(english:"Checks for updated package(s) in /var/db/pkg"); script_set_attribute( attribute:"synopsis", value: "The remote Gentoo host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "The remote host is affected by the vulnerability described in GLSA-201708-02 (TNEF: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in TNEF. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could entice a user to process a specially crafted MIME attachment of type “application/ms-tnef” using TNEF, possibly resulting in a Denial of Service condition. Workaround : There is no known workaround at this time." ); script_set_attribute( attribute:"see_also", value:"https://security.gentoo.org/glsa/201708-02" ); script_set_attribute( attribute:"solution", value: "All TNEF users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=net-mail/tnef-1.4.15'" ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); 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_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:tnef"); script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux"); script_set_attribute(attribute:"patch_publication_date", value:"2017/08/17"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/08/17"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2018 Tenable Network Security, Inc."); script_family(english:"Gentoo Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("qpkg.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo"); if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (qpkg_check(package:"net-mail/tnef", unaffected:make_list("ge 1.4.15"), vulnerable:make_list("lt 1.4.15"))) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get()); else security_hole(0); exit(0); } else { tested = qpkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "TNEF"); }
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3798.NASL description Eric Sesterhenn, from X41 D-Sec GmbH, discovered several vulnerabilities in tnef, a tool used to unpack MIME attachments of type last seen 2020-06-01 modified 2020-06-02 plugin id 97474 published 2017-03-02 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/97474 title Debian DSA-3798-1 : tnef - security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-3798. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(97474); script_version("3.7"); script_cvs_date("Date: 2019/07/15 14:20:30"); script_cve_id("CVE-2017-6307", "CVE-2017-6308", "CVE-2017-6309", "CVE-2017-6310"); script_xref(name:"DSA", value:"3798"); script_name(english:"Debian DSA-3798-1 : tnef - 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: "Eric Sesterhenn, from X41 D-Sec GmbH, discovered several vulnerabilities in tnef, a tool used to unpack MIME attachments of type 'application/ms-tnef'. Multiple heap overflows, type confusions and out of bound reads and writes could be exploited by tricking a user into opening a malicious attachment. This would result in denial of service via application crash, or potential arbitrary code execution." ); script_set_attribute( attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=856117" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/jessie/tnef" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2017/dsa-3798" ); script_set_attribute( attribute:"solution", value: "Upgrade the tnef packages. For the stable distribution (jessie), these problems have been fixed in version 1.4.9-1+deb8u1." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/AC:L/PR:N/UI:R/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:tnef"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/24"); script_set_attribute(attribute:"patch_publication_date", value:"2017/03/01"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/03/02"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2019 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:"tnef", reference:"1.4.9-1+deb8u1")) 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");
References
- http://www.debian.org/security/2017/dsa-3798
- http://www.securityfocus.com/bid/96427
- https://github.com/verdammelt/tnef/blob/master/ChangeLog
- https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d
- https://security.gentoo.org/glsa/201708-02
- https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/