Linux Foundation Xen 3.3 flask_security_label memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $5k-$25k | 0.00 |
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 $0-$5k (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 vulnerability database at X-Force (44608).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/14/2008 🔍08/14/2008 🔍
08/14/2008 🔍
08/22/2008 🔍
08/22/2008 🔍
08/22/2008 🔍
03/17/2015 🔍
10/05/2018 🔍
Sources
Vendor: linuxfoundation.orgAdvisory: nabble.com
Researcher: Rafal Wojtczuk
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2008-3687 (🔍)
X-Force: 44608
SecurityTracker: 1020731
SecurityFocus: 30834 - Xen 'XSM:Flask' Module Multiple Local Buffer Overflow Vulnerabilities
Secunia: 31561 - Xen "flask_op" Buffer Overflow Vulnerability, Less Critical
Vupen: ADV-2008-2426
Entry
Created: 03/17/2015 12:19Updated: 10/05/2018 07:37
Changes: 03/17/2015 12:19 (57), 10/05/2018 07:37 (6)
Complete: 🔍
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