Vulnerabilities > CVE-2018-6115 - Improper Input Validation vulnerability in Google Chrome
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
NONE Summary
Inappropriate setting of the SEE_MASK_FLAG_NO_UI flag in file downloads in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to potentially bypass OS malware checks via a crafted HTML page.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Buffer Overflow via Environment Variables This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
- Server Side Include (SSI) Injection An attacker can use Server Side Include (SSI) Injection to send code to a web application that then gets executed by the web server. Doing so enables the attacker to achieve similar results to Cross Site Scripting, viz., arbitrary code execution and information disclosure, albeit on a more limited scale, since the SSI directives are nowhere near as powerful as a full-fledged scripting language. Nonetheless, the attacker can conveniently gain access to sensitive files, such as password files, and execute shell commands.
- Cross Zone Scripting An attacker is able to cause a victim to load content into their web-browser that bypasses security zone controls and gain access to increased privileges to execute scripting code or other web objects such as unsigned ActiveX controls or applets. This is a privilege elevation attack targeted at zone-based web-browser security. In a zone-based model, pages belong to one of a set of zones corresponding to the level of privilege assigned to that page. Pages in an untrusted zone would have a lesser level of access to the system and/or be restricted in the types of executable content it was allowed to invoke. In a cross-zone scripting attack, a page that should be assigned to a less privileged zone is granted the privileges of a more trusted zone. This can be accomplished by exploiting bugs in the browser, exploiting incorrect configuration in the zone controls, through a cross-site scripting attack that causes the attackers' content to be treated as coming from a more trusted page, or by leveraging some piece of system functionality that is accessible from both the trusted and less trusted zone. This attack differs from "Restful Privilege Escalation" in that the latter correlates to the inadequate securing of RESTful access methods (such as HTTP DELETE) on the server, while cross-zone scripting attacks the concept of security zones as implemented by a browser.
- Cross Site Scripting through Log Files An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
- Command Line Execution through SQL Injection An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.
Nessus
NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201804-22.NASL description The remote host is affected by the vulnerability described in GLSA-201804-22 (Chromium, Google Chrome: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Chromium and Google Chrome. Please review the referenced CVE identifiers and Google Chrome Releases for details. Impact : A remote attacker could possibly execute arbitrary code with the privileges of the process, cause a Denial of Service condition, bypass content security controls, or conduct URL spoofing. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 109290 published 2018-04-24 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109290 title GLSA-201804-22 : Chromium, Google Chrome: Multiple vulnerabilities NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_36FF7A7447B111E8A7D654E1AD544088.NASL description Google Chrome Releases reports : 62 security fixes in this release : - [826626] Critical CVE-2018-6085: Use after free in Disk Cache. Reported by Ned Williamson on 2018-03-28 - [827492] Critical CVE-2018-6086: Use after free in Disk Cache. Reported by Ned Williamson on 2018-03-30 - [813876] High CVE-2018-6087: Use after free in WebAssembly. Reported by Anonymous on 2018-02-20 - [822091] High CVE-2018-6088: Use after free in PDFium. Reported by Anonymous on 2018-03-15 - [808838] High CVE-2018-6089: Same origin policy bypass in Service Worker. Reported by Rob Wu on 2018-02-04 - [820913] High CVE-2018-6090: Heap buffer overflow in Skia. Reported by ZhanJia Song on 2018-03-12 - [771933] High CVE-2018-6091: Incorrect handling of plug-ins by Service Worker. Reported by Jun Kokatsu (@shhnjk) on 2017-10-05 - [819869] High CVE-2018-6092: Integer overflow in WebAssembly. Reported by Natalie Silvanovich of Google Project Zero on 2018-03-08 - [780435] Medium CVE-2018-6093: Same origin bypass in Service Worker. Reported by Jun Kokatsu (@shhnjk) on 2017-11-01 - [633030] Medium CVE-2018-6094: Exploit hardening regression in Oilpan. Reported by Chris Rohlf on 2016-08-01 - [637098] Medium CVE-2018-6095: Lack of meaningful user interaction requirement before file upload. Reported by Abdulrahman Alqabandi (@qab) on 2016-08-11 - [776418] Medium CVE-2018-6096: Fullscreen UI spoof. Reported by WenXu Wu of Tencent last seen 2020-06-01 modified 2020-06-02 plugin id 109330 published 2018-04-25 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109330 title FreeBSD : chromium -- vulnerability (36ff7a74-47b1-11e8-a7d6-54e1ad544088) NASL family Windows NASL id GOOGLE_CHROME_66_0_3359_117.NASL description The version of Google Chrome installed on the remote Windows host is prior to 66.0.3359.117. It is, therefore, affected by a multiple unspecified vulnerabilities as noted in Chrome stable channel update release notes for April 17th, 2018. Please refer to the release notes for additional information. Note that Nessus has not attempted to exploit these issues but has instead relied only on the application last seen 2020-06-01 modified 2020-06-02 plugin id 109395 published 2018-04-27 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109395 title Google Chrome < 66.0.3359.117 Multiple Vulnerabilities NASL family MacOS X Local Security Checks NASL id MACOSX_GOOGLE_CHROME_66_0_3359_117.NASL description The version of Google Chrome installed on the remote host is prior to 66.0.3359.117. It is, therefore, affected by multiple unspecified vulnerabilities as noted in Chrome stable channel update release notes for April 17th, 2018. Please refer to the release notes for additional information. Note that Nessus has not attempted to exploit these issues but has instead relied only on the application last seen 2020-06-01 modified 2020-06-02 plugin id 109396 published 2018-04-27 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109396 title Google Chrome < 66.0.3359.117 Multiple Vulnerabilities (macOS) NASL family Fedora Local Security Checks NASL id FEDORA_2018-812B5D5A71.NASL description Update to 66.0.3359.181. Security fix for CVE-2018-6085 CVE-2018-6086 CVE-2018-6087 CVE-2018-6088 CVE-2018-6089 CVE-2018-6090 CVE-2018-6091 CVE-2018-6092 CVE-2018-6093 CVE-2018-6094 CVE-2018-6095 CVE-2018-6096 CVE-2018-6097 CVE-2018-6098 CVE-2018-6099 CVE-2018-6100 CVE-2018-6101 CVE-2018-6102 CVE-2018-6103 CVE-2018-6104 CVE-2018-6105 CVE-2018-6106 CVE-2018-6107 CVE-2018-6108 CVE-2018-6109 CVE-2018-6110 CVE-2018-6111 CVE-2018-6112 CVE-2018-6113 CVE-2018-6114 CVE-2018-6116 CVE-2018-6117 CVE-2018-6118 CVE-2018-6121 CVE-2018-6122 CVE-2018-6120 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 2018-06-06 plugin id 110327 published 2018-06-06 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/110327 title Fedora 27 : chromium (2018-812b5d5a71) NASL family SuSE Local Security Checks NASL id OPENSUSE-2018-381.NASL description This update for Chromium to version 66.0.3359.117 fixes the following issues : Security issues fixed (boo#1090000) : - CVE-2018-6085: Use after free in Disk Cache - CVE-2018-6086: Use after free in Disk Cache - CVE-2018-6087: Use after free in WebAssembly - CVE-2018-6088: Use after free in PDFium - CVE-2018-6089: Same origin policy bypass in Service Worker - CVE-2018-6090: Heap buffer overflow in Skia - CVE-2018-6091: Incorrect handling of plug-ins by Service Worker - CVE-2018-6092: Integer overflow in WebAssembly - CVE-2018-6093: Same origin bypass in Service Worker - CVE-2018-6094: Exploit hardening regression in Oilpan - CVE-2018-6095: Lack of meaningful user interaction requirement before file upload - CVE-2018-6096: Fullscreen UI spoof - CVE-2018-6097: Fullscreen UI spoof - CVE-2018-6098: URL spoof in Omnibox - CVE-2018-6099: CORS bypass in ServiceWorker - CVE-2018-6100: URL spoof in Omnibox - CVE-2018-6101: Insufficient protection of remote debugging prototol in DevTools - CVE-2018-6102: URL spoof in Omnibox - CVE-2018-6103: UI spoof in Permissions - CVE-2018-6104: URL spoof in Omnibox - CVE-2018-6105: URL spoof in Omnibox - CVE-2018-6106: Incorrect handling of promises in V8 - CVE-2018-6107: URL spoof in Omnibox - CVE-2018-6108: URL spoof in Omnibox - CVE-2018-6109: Incorrect handling of files by FileAPI - CVE-2018-6110: Incorrect handling of plaintext files via file:// - CVE-2018-6111: Heap-use-after-free in DevTools - CVE-2018-6112: Incorrect URL handling in DevTools - CVE-2018-6113: URL spoof in Navigation - CVE-2018-6114: CSP bypass - CVE-2018-6115: SmartScreen bypass in downloads - CVE-2018-6116: Incorrect low memory handling in WebAssembly - CVE-2018-6117: Confusing autofill settings - Various fixes from internal audits, fuzzing and other initiatives This update also supports mitigation against the Spectre vulnerabilities: last seen 2020-06-05 modified 2018-04-23 plugin id 109236 published 2018-04-23 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109236 title openSUSE Security Update : chromium (openSUSE-2018-381) NASL family Fedora Local Security Checks NASL id FEDORA_2018-94E1BC8C23.NASL description Update to 66.0.3359.181. Security fix for CVE-2018-6085 CVE-2018-6086 CVE-2018-6087 CVE-2018-6088 CVE-2018-6089 CVE-2018-6090 CVE-2018-6091 CVE-2018-6092 CVE-2018-6093 CVE-2018-6094 CVE-2018-6095 CVE-2018-6096 CVE-2018-6097 CVE-2018-6098 CVE-2018-6099 CVE-2018-6100 CVE-2018-6101 CVE-2018-6102 CVE-2018-6103 CVE-2018-6104 CVE-2018-6105 CVE-2018-6106 CVE-2018-6107 CVE-2018-6108 CVE-2018-6109 CVE-2018-6110 CVE-2018-6111 CVE-2018-6112 CVE-2018-6113 CVE-2018-6114 CVE-2018-6116 CVE-2018-6117 CVE-2018-6118 CVE-2018-6121 CVE-2018-6122 CVE-2018-6120 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 2019-01-03 plugin id 120630 published 2019-01-03 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/120630 title Fedora 28 : chromium (2018-94e1bc8c23)
References
- http://www.securityfocus.com/bid/103917
- http://www.securityfocus.com/bid/103917
- https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html
- https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html
- https://crbug.com/819809
- https://crbug.com/819809
- https://security.gentoo.org/glsa/201804-22
- https://security.gentoo.org/glsa/201804-22