Google Android Proxy Auto Config access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Google Android. This affects an unknown part of the component Proxy Auto Config. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2016-6723. It is possible to launch the attack on the local host. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version unknown). It has been declared as problematic. This vulnerability affects an unknown function of the component Proxy Auto Config. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect availability.

The weakness was released 11/07/2016 by Yakov Shafranovich as Crashing Android devices with large Proxy Auto Config (PAC) Files [CVE-2016-6723] as confirmed mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. The public release was coordinated with the vendor. This vulnerability was named CVE-2016-6723 since 08/11/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 119 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 264229 (Linux Distros Unpatched Vulnerability : CVE-2016-6723), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (264229) and SecurityFocus (BID 94185†). Entries connected to this vulnerability are available at VDB-87972, VDB-93476, VDB-93458 and VDB-93460. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 264229
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2016-6723

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

07/11/2016 🔍
07/19/2016 +8 days 🔍
08/11/2016 +23 days 🔍
11/07/2016 +88 days 🔍
11/07/2016 +0 days 🔍
11/07/2016 +0 days 🔍
11/09/2016 +2 days 🔍
11/25/2016 +16 days 🔍
09/13/2025 +3214 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Crashing Android devices with large Proxy Auto Config (PAC) Files [CVE-2016-6723]
Researcher: Yakov Shafranovich
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-6723 (🔍)
GCVE (CVE): GCVE-0-2016-6723
GCVE (VulDB): GCVE-100-93436
SecurityFocus: 94185 - Google Android Proxy Auto Config CVE-2016-6723 Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 11/09/2016 11:49
Updated: 09/13/2025 22:57
Changes: 11/09/2016 11:49 (60), 05/28/2019 00:27 (12), 09/30/2022 10:41 (4), 09/13/2025 22:57 (16)
Complete: 🔍
Cache ID: 216:FB1:103

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