CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in XenSource Xen 4.1/4.2/4.3/4.4 (Virtualization Software). This affects some unknown functionality of the component xl Command. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges via a long configuration argument.
The weakness was presented 07/07/2015 by Donghai Zhu as XSA-137 as confirmed security advisory (Website). It is possible to read the advisory at xenbits.xen.org. This vulnerability is uniquely identified as CVE-2015-3259 since 04/10/2015. Attacking locally is a requirement. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The vulnerability scanner Nessus provides a plugin with the ID 84717 (FreeBSD : xen-tools -- xl command line config handling stack overflow (f1deed23-27ec-11e5-a4a5-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168231 (OpenSuSE Security Update for xen (openSUSE-SU-2015:2003-1)).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (104408) and Tenable (84717). See 76878, 76879 and 77069 for similar entries.
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: 5.3VulDB Meta Temp Score: 4.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 84717
Nessus Name: FreeBSD : xen-tools -- xl command line config handling stack overflow (f1deed23-27ec-11e5-a4a5-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 703414
OpenVAS Name: Debian Security Advisory DSA 3414-1 (xen - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
04/10/2015 🔍07/07/2015 🔍
07/07/2015 🔍
07/07/2015 🔍
07/07/2015 🔍
07/08/2015 🔍
07/16/2015 🔍
07/19/2015 🔍
05/23/2022 🔍
Sources
Vendor: citrix.comAdvisory: XSA-137
Researcher: Donghai Zhu
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-3259 (🔍)
OVAL: 🔍
X-Force: 104408 - Xen xl command line utility buffer overflow
SecurityTracker: 1032973
Vulnerability Center: 51400 - Xen 4.1.x through 4.5.x Local Privilege Escalation via a Long Configuration Argument, Medium
SecurityFocus: 75573 - Xen CVE-2015-3259 Stack Buffer Overflow Vulnerability
See also: 🔍
Entry
Created: 07/08/2015 09:39Updated: 05/23/2022 14:58
Changes: 07/08/2015 09:39 (69), 07/13/2017 10:44 (9), 05/23/2022 14:55 (3), 05/23/2022 14:58 (1)
Complete: 🔍
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