Facebook Proxygen prior 2015-11-09 SPDY2 Codec Hijacking 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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Facebook Proxygen. It has been rated as critical. The impacted element is an unknown function of the component SPDY2 Codec. The manipulation leads to injection (Hijacking). This vulnerability is documented as CVE-2015-7264. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Facebook Proxygen (Social Network Software) and classified as critical. This issue affects an unknown function of the component SPDY2 Codec. The manipulation with an unknown input leads to a injection vulnerability (Hijacking). Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The SPDY/2 codec in Facebook Proxygen before 2015-11-09 truncates a certain field to two bytes, which allows hijacking and injection attacks.

The bug was discovered 09/08/2015. The weakness was released 04/10/2017 (Website). It is possible to read the advisory at groups.google.com. The identification of this vulnerability is CVE-2015-7264 since 09/18/2015. 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 T1055 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 579 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2015-11-09 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-99490 and VDB-99492. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Hijacking
Class: Injection / Hijacking
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Facebook Proxygen 2015-11-09

Timelineinfo

09/08/2015 🔍
09/18/2015 +10 days 🔍
04/09/2017 +569 days 🔍
04/10/2017 +1 days 🔍
04/10/2017 +0 days 🔍
08/27/2020 +1235 days 🔍

Sourcesinfo

Advisory: groups.google.com
Status: Not defined

CVE: CVE-2015-7264 (🔍)
GCVE (CVE): GCVE-0-2015-7264
GCVE (VulDB): GCVE-100-99491
OSVDB: - CVE-2015-7264 - Facebook Proxygen - Hijacking Issue

See also: 🔍

Entryinfo

Created: 04/10/2017 09:48
Updated: 08/27/2020 21:03
Changes: 04/10/2017 09:48 (59), 08/27/2020 21:03 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!