Vulnerabilities > CVE-2016-9440 - NULL Pointer Dereference vulnerability in Tats W3M
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family SuSE Local Security Checks NASL id SUSE_SU-2016-3053-1.NASL description This update for w3m fixes the following issues : - update to debian git version (bsc#1011293) addressed security issues: CVE-2016-9622: w3m: null deref (bsc#1012021) CVE-2016-9623: w3m: null deref (bsc#1012022) CVE-2016-9624: w3m: near-null deref (bsc#1012023) CVE-2016-9625: w3m: stack overflow (bsc#1012024) CVE-2016-9626: w3m: stack overflow (bsc#1012025) CVE-2016-9627: w3m: heap overflow read + deref (bsc#1012026) CVE-2016-9628: w3m: null deref (bsc#1012027) CVE-2016-9629: w3m: null deref (bsc#1012028) CVE-2016-9630: w3m: global-buffer-overflow read (bsc#1012029) CVE-2016-9631: w3m: null deref (bsc#1012030) CVE-2016-9632: w3m: global-buffer-overflow read (bsc#1012031) CVE-2016-9633: w3m: OOM (bsc#1012032) CVE-2016-9434: w3m: null deref (bsc#1011283) CVE-2016-9435: w3m: use uninit value (bsc#1011284) CVE-2016-9436: w3m: use uninit value (bsc#1011285) CVE-2016-9437: w3m: write to rodata (bsc#1011286) CVE-2016-9438: w3m: null deref (bsc#1011287) CVE-2016-9439: w3m: stack overflow (bsc#1011288) CVE-2016-9440: w3m: near-null deref (bsc#1011289) CVE-2016-9441: w3m: near-null deref (bsc#1011290) CVE-2016-9442: w3m: potential heap buffer corruption (bsc#1011291) CVE-2016-9443: w3m: null deref (bsc#1011292) Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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 95650 published 2016-12-08 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/95650 title SUSE SLED12 / SLES12 Security Update : w3m (SUSE-SU-2016:3053-1) NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_EAFA3AEC211B4DD49B8AA664A3F0917A.NASL description Multiple remote code execution and denial of service conditions present. last seen 2020-06-01 modified 2020-06-02 plugin id 96223 published 2017-01-03 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/96223 title FreeBSD : w3m -- multiple vulnerabilities (eafa3aec-211b-4dd4-9b8a-a664a3f0917a) NASL family Fedora Local Security Checks NASL id FEDORA_2017-783E8FA63E.NASL description Security fix for CVE-2016-9422, CVE-2016-9423, CVE-2016-9424, CVE-2016-9425, CVE-2016-9428, CVE-2016-9426, CVE-2016-9429, CVE-2016-9430, CVE-2016-9431, CVE-2016-9432, CVE-2016-9433, CVE-2016-9434, CVE-2016-9435, CVE-2016-9436, CVE-2016-9437, CVE-2016-9438, CVE-2016-9439, CVE-2016-9440, CVE-2016-9441, CVE-2016-9442, CVE-2016-9443, CVE-2016-9622, CVE-2016-9623, CVE-2016-9624, CVE-2016-9625, CVE-2016-9626, CVE-2016-9627, CVE-2016-9628, CVE-2016-9629, CVE-2016-9631, CVE-2016-9630, CVE-2016-9632, CVE-2016-9633 ---- Update to latest upstream gitrev 20170102 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 2020-06-05 modified 2017-03-22 plugin id 97866 published 2017-03-22 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/97866 title Fedora 24 : w3m (2017-783e8fa63e) NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201701-08.NASL description The remote host is affected by the vulnerability described in GLSA-201701-08 (w3m: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in w3m. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could execute arbitrary code with the privileges of the process or cause a Denial of Service condition via a maliciously crafted HTML file. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 96239 published 2017-01-03 reporter This script is Copyright (C) 2017 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/96239 title GLSA-201701-08 : w3m: Multiple vulnerabilities NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3214-1.NASL description A large number of security issues were discovered in the w3m browser. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution. 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 97522 published 2017-03-03 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/97522 title Ubuntu 12.04 LTS / 14.04 LTS : w3m vulnerabilities (USN-3214-1) NASL family Fedora Local Security Checks NASL id FEDORA_2017-2E6B693937.NASL description Security fix for CVE-2016-9422, CVE-2016-9423, CVE-2016-9424, CVE-2016-9425, CVE-2016-9428, CVE-2016-9426, CVE-2016-9429, CVE-2016-9430, CVE-2016-9431, CVE-2016-9432, CVE-2016-9433, CVE-2016-9434, CVE-2016-9435, CVE-2016-9436, CVE-2016-9437, CVE-2016-9438, CVE-2016-9439, CVE-2016-9440, CVE-2016-9441, CVE-2016-9442, CVE-2016-9443, CVE-2016-9622, CVE-2016-9623, CVE-2016-9624, CVE-2016-9625, CVE-2016-9626, CVE-2016-9627, CVE-2016-9628, CVE-2016-9629, CVE-2016-9631, CVE-2016-9630, CVE-2016-9632, CVE-2016-9633 And new upstream 20170102 as well 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 2020-06-05 modified 2017-03-14 plugin id 97700 published 2017-03-14 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/97700 title Fedora 25 : w3m (2017-2e6b693937) NASL family SuSE Local Security Checks NASL id OPENSUSE-2016-1457.NASL description This update for w3m fixes the following security issues (bsc#1011293) : - CVE-2016-9622: w3m: null deref (bsc#1012021) - CVE-2016-9623: w3m: null deref (bsc#1012022) - CVE-2016-9624: w3m: near-null deref (bsc#1012023) - CVE-2016-9625: w3m: stack overflow (bsc#1012024) - CVE-2016-9626: w3m: stack overflow (bsc#1012025) - CVE-2016-9627: w3m: heap overflow read + deref (bsc#1012026) - CVE-2016-9628: w3m: null deref (bsc#1012027) - CVE-2016-9629: w3m: null deref (bsc#1012028) - CVE-2016-9630: w3m: global-buffer-overflow read (bsc#1012029) - CVE-2016-9631: w3m: null deref (bsc#1012030) - CVE-2016-9632: w3m: global-buffer-overflow read (bsc#1012031) - CVE-2016-9633: w3m: OOM (bsc#1012032) - CVE-2016-9434: w3m: null deref (bsc#1011283) - CVE-2016-9435: w3m: use uninit value (bsc#1011284) - CVE-2016-9436: w3m: use uninit value (bsc#1011285) - CVE-2016-9437: w3m: write to rodata (bsc#1011286) - CVE-2016-9438: w3m: null deref (bsc#1011287) - CVE-2016-9439: w3m: stack overflow (bsc#1011288) - CVE-2016-9440: w3m: near-null deref (bsc#1011289) - CVE-2016-9441: w3m: near-null deref (bsc#1011290) - CVE-2016-9442: w3m: potential heap buffer corruption (bsc#1011291) - CVE-2016-9443: w3m: null deref (bsc#1011292) This update was imported from the SUSE:SLE-12:Update update project. last seen 2020-06-05 modified 2016-12-14 plugin id 95792 published 2016-12-14 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/95792 title openSUSE Security Update : w3m (openSUSE-2016-1457) NASL family SuSE Local Security Checks NASL id SUSE_SU-2016-3046-1.NASL description This update for w3m fixes the following issues : - update to debian git version (bsc#1011293) addressed security issues: CVE-2016-9621: w3m: global-buffer-overflow write (bsc#1012020) CVE-2016-9622: w3m: null deref (bsc#1012021) CVE-2016-9623: w3m: null deref (bsc#1012022) CVE-2016-9624: w3m: near-null deref (bsc#1012023) CVE-2016-9625: w3m: stack overflow (bsc#1012024) CVE-2016-9626: w3m: stack overflow (bsc#1012025) CVE-2016-9627: w3m: heap overflow read + deref (bsc#1012026) CVE-2016-9628: w3m: null deref (bsc#1012027) CVE-2016-9629: w3m: null deref (bsc#1012028) CVE-2016-9630: w3m: global-buffer-overflow read (bsc#1012029) CVE-2016-9631: w3m: null deref (bsc#1012030) CVE-2016-9632: w3m: global-buffer-overflow read (bsc#1012031) CVE-2016-9633: w3m: OOM (bsc#1012032) CVE-2016-9434: w3m: null deref (bsc#1011283) CVE-2016-9435: w3m: use uninit value (bsc#1011284) CVE-2016-9436: w3m: use uninit value (bsc#1011285) CVE-2016-9437: w3m: write to rodata (bsc#1011286) CVE-2016-9438: w3m: null deref (bsc#1011287) CVE-2016-9439: w3m: stack overflow (bsc#1011288) CVE-2016-9440: w3m: near-null deref (bsc#1011289) CVE-2016-9441: w3m: near-null deref (bsc#1011290) CVE-2016-9442: w3m: potential heap buffer corruption (bsc#1011291) CVE-2016-9443: w3m: null deref (bsc#1011292) Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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 95625 published 2016-12-08 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/95625 title SUSE SLES11 Security Update : w3m (SUSE-SU-2016:3046-1)
References
- http://www.openwall.com/lists/oss-security/2016/11/18/3
- http://www.openwall.com/lists/oss-security/2016/11/18/3
- http://www.securityfocus.com/bid/94407
- http://www.securityfocus.com/bid/94407
- https://github.com/tats/w3m/blob/master/ChangeLog
- https://github.com/tats/w3m/blob/master/ChangeLog
- https://github.com/tats/w3m/issues/22
- https://github.com/tats/w3m/issues/22
- https://security.gentoo.org/glsa/201701-08
- https://security.gentoo.org/glsa/201701-08