VDB-11077 · BID 63458 · OSVDB 99266

Facebook on Android Attachment access_token information disclosure

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.
8.8	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Facebook on Android and classified as critical. Affected by this vulnerability is an unknown functionality of the component Attachment Handler. This manipulation of the argument access_token causes information disclosure. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Facebook on Android (Social Network Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Attachment Handler. The manipulation of the argument access_token with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 10/28/2013 by Mohamed Ramadan as All your Facebook Access Tokens are belong to us! as not defined advisory (Website). The advisory is shared at attack-secure.com. The public release has been coordinated in cooperation with the project team. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue.

It is declared as proof-of-concept.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 63458†) and OSVDB (99266†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

Facebook
Facebook Messenger

Productinfo

Type

Social Network Software

Name

Facebook

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
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
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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

Timelineinfo

10/28/2013 🔍
10/29/2013 +1 days 🔍
10/31/2013 +2 days 🔍
11/05/2013 +5 days 🔍
03/25/2019 +1966 days 🔍

Sourcesinfo

Advisory: All your Facebook Access Tokens are belong to us!
Researcher: Mohamed Ramadan
Status: Not defined
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11077
SecurityFocus: 63458 - Facebook Application And Facebook Pages Manager For Android Information Disclosure Vulnerability
OSVDB: 99266

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

Entryinfo

Created: 11/05/2013 09:36
Updated: 03/25/2019 10:20
Changes: 11/05/2013 09:36 (48), 03/25/2019 10:20 (6)
Complete: 🔍
Committer: olku
Cache ID: 216:7F6:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.