VDB-73427 · CVE-2014-6229 · GCVE-0-2014-6229

Facebook HipHop Virtual Machine prior 3.2.0 Crypto 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Facebook HipHop Virtual Machine. This affects an unknown part of the component Crypto. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2014-6229. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Facebook HipHop Virtual Machine (Social Network Software) and classified as problematic. This issue affects an unknown code of the component Crypto. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

The HashContext class in hphp/runtime/ext/ext_hash.cpp in Facebook HipHop Virtual Machine (HHVM) before 3.3.0 incorrectly expects that a certain key string uses \0 for termination, which allows remote attackers to obtain sensitive information by leveraging read access beyond the end of the string, and makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging truncation of a string containing an internal \0 character.

The weakness was disclosed 12/28/2014 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2014-6229 since 09/04/2014. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 3.2.0 eliminates this vulnerability.

The entries VDB-73426, VDB-73425, VDB-73424 and VDB-73423 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Social Network Software

Vendor

Facebook

Name

HipHop Virtual Machine

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HipHop Virtual Machine 3.2.0
Patch: github.com

Timelineinfo

09/04/2014 🔍
12/28/2014 +115 days 🔍
12/28/2014 +0 days 🔍
03/27/2015 +89 days 🔍
04/10/2022 +2571 days 🔍

Sourcesinfo

Advisory: 7135ec229882370a00411aa50030eada6034cc1b
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-6229 (🔍)
GCVE (CVE): GCVE-0-2014-6229
GCVE (VulDB): GCVE-100-73427
See also: 🔍

Entryinfo

Created: 03/27/2015 14:56
Updated: 04/10/2022 09:48
Changes: 03/27/2015 14:56 (44), 04/10/2018 11:12 (6), 04/10/2022 09:48 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.