CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.3 | $5k-$25k | 0.00 |
A vulnerability classified as critical was found in Google Chrome 50 on Android (Web Browser). Affected by this vulnerability is an unknown code of the component File Scheme Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Google Chrome before 50.0.2661.102 on Android mishandles / (slash) and \ (backslash) characters, which allows attackers to conduct directory traversal attacks via a file: URL, related to net/base/escape.cc and net/base/filename_util.cc.
The weakness was released 05/11/2016 by Jann Horn as Stable Channel Update, May 2016 as confirmed release notes (Blogspot). The advisory is shared at googlechromereleases.blogspot.com. This vulnerability is known as CVE-2016-1671 since 01/12/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/19/2022). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1006 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 91371 (FreeBSD : chromium -- multiple vulnerabilities (4dfafa16-24ba-11e6-bd31-3065ec8fd3ec)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123196 (Google Chrome Prior to 50.0.2661.102 Multiple Vulnerabilities).
Upgrading to version 50.0.2661.102 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (91371). Entries connected to this vulnerability are available at 87298, 87299, 87300 and 87302.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.3
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Path traversalCWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 91371
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (4dfafa16-24ba-11e6-bd31-3065ec8fd3ec)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Chrome 50.0.2661.102
Timeline
01/12/2016 🔍05/11/2016 🔍
05/11/2016 🔍
05/11/2016 🔍
05/12/2016 🔍
05/14/2016 🔍
05/31/2016 🔍
08/19/2022 🔍
Sources
Vendor: google.comProduct: google.com
Advisory: Stable Channel Update, May 2016
Researcher: Jann Horn
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-1671 (🔍)
SecurityTracker: 1035872
SecurityFocus: 90584 - Google Chrome Prior to 50.0.2661.102 Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍
Entry
Created: 05/12/2016 17:59Updated: 08/19/2022 09:36
Changes: 05/12/2016 17:59 (69), 11/24/2018 12:23 (13), 08/19/2022 09:36 (3)
Complete: 🔍
Cache ID: 3:4CE:103
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