Microsoft Bing 4.2.0 on Android DNS Response APK File Installation code injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Microsoft Bing 4.2.0 on Android. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component DNS Response Handler. The manipulation leads to code injection (APK File Installation). This vulnerability is traded as CVE-2014-1670. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Bing 4.2.0 on Android (Android App Software). This issue affects an unknown function of the component DNS Response Handler. The manipulation with an unknown input leads to a code injection vulnerability (APK File Installation). Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Microsoft Bing application before 4.2.1 for Android allows remote attackers to install arbitrary APK files via vectors involving a crafted DNS response.

The weakness was shared 01/23/2014 with Trustlook as Hackers can pwn your Android in 10 seconds, if you use Bing App in Starbucks as confirmed posting (Blog). The advisory is shared at blog.trustlook.com. The vendor cooperated in the coordination of the public release. The identification of this vulnerability is CVE-2014-1670 since 01/25/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The exploit is available at youtu.be. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading to version 4.2.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (90977), SecurityFocus (BID 65128†) and OSVDB (102575†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Android App Software

Vendor

Microsoft

Name

Bing

Version

4.2.0

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

Video

Open Video | Show More Videos

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: APK File Installation
Class: Code injection / APK File Installation
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bing 4.2.1

Timelineinfo

01/21/2014 🔍
01/23/2014 +2 days 🔍
01/23/2014 +0 days 🔍
01/25/2014 +2 days 🔍
01/25/2014 +0 days 🔍
01/29/2014 +4 days 🔍
05/17/2018 +1569 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: Hackers can pwn your Android in 10 seconds, if you use Bing App in Starbucks
Organization: Trustlook
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-1670 (🔍)
GCVE (CVE): GCVE-0-2014-1670
GCVE (VulDB): GCVE-100-12089
X-Force: 90977 - Microsoft Bing for Android DNS responses code execution, Medium Risk
SecurityFocus: 65128
OSVDB: 102575

scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 01/29/2014 15:43
Updated: 05/17/2018 08:39
Changes: 01/29/2014 15:43 (63), 05/17/2018 08:39 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.