Linux Foundation Xen 3.3 flask_security_label memory corruption

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.
6.9$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Foundation Xen 3.3. Affected by this issue is the function flask_security_label. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2008-3687. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Linux Foundation Xen 3.3 (Virtualization Software). Affected is the function flask_security_label. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.

The weakness was shared 08/14/2008 by Rafal Wojtczuk (Website). The advisory is shared for download at nabble.com. This vulnerability is traded as CVE-2008-3687 since 08/14/2008. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/05/2018).

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (44608), SecurityFocus (BID 30834†), Secunia (SA31561†) and SecurityTracker (ID 1020731†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2008 🔍
08/14/2008 +0 days 🔍
08/14/2008 +0 days 🔍
08/22/2008 +8 days 🔍
08/22/2008 +0 days 🔍
08/22/2008 +0 days 🔍
03/17/2015 +2398 days 🔍
10/05/2018 +1298 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: nabble.com
Researcher: Rafal Wojtczuk
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-3687 (🔍)
GCVE (CVE): GCVE-0-2008-3687
GCVE (VulDB): GCVE-100-43704
X-Force: 44608
SecurityFocus: 30834 - Xen 'XSM:Flask' Module Multiple Local Buffer Overflow Vulnerabilities
Secunia: 31561 - Xen "flask_op" Buffer Overflow Vulnerability, Less Critical
SecurityTracker: 1020731
Vupen: ADV-2008-2426

Entryinfo

Created: 03/17/2015 12:19
Updated: 10/05/2018 07:37
Changes: 03/17/2015 12:19 (57), 10/05/2018 07:37 (6)
Complete: 🔍
Cache ID: 216:11D:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!