libvirt up to 2.1 QEMU Command Line 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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in libvirt up to 2.1. This affects an unknown function of the component QEMU Command Line. This manipulation causes information disclosure. This vulnerability appears as CVE-2015-5160. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in libvirt up to 2.1 (Virtualization Software) and classified as problematic. Affected by this vulnerability is an unknown code of the component QEMU Command Line. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect integrity. The summary by CVE is:

libvirt before 2.2 includes Ceph credentials on the qemu command line when using RADOS Block Device (aka RBD), which allows local users to obtain sensitive information via a process listing.

The bug was discovered 11/03/2016. The weakness was presented 08/20/2018 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2015-5160 since 07/01/2015. Attacking locally is a requirement. A single authentication is needed for 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.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 94700 (Oracle Linux 7 : libvirt (ELSA-2016-2577)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157323 (Oracle Enterprise Linux Security Update for libvirt (ELSA-2016-2577)).

Upgrading to version 2.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (94700). See VDB-82056 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Ceph

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 94700
Nessus Name: Oracle Linux 7 : libvirt (ELSA-2016-2577)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 871165
OpenVAS Name: RedHat Update for libvirt RHSA-2016:2577-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libvirt 2.2

Timelineinfo

07/01/2015 🔍
11/03/2016 +491 days 🔍
11/09/2016 +6 days 🔍
11/11/2016 +1 days 🔍
08/20/2018 +646 days 🔍
08/20/2018 +0 days 🔍
08/21/2018 +1 days 🔍
05/02/2023 +1715 days 🔍

Sourcesinfo

Advisory: RHSA-2016:2577
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5160 (🔍)
GCVE (CVE): GCVE-0-2015-5160
GCVE (VulDB): GCVE-100-123043
See also: 🔍

Entryinfo

Created: 08/21/2018 06:43
Updated: 05/02/2023 14:55
Changes: 08/21/2018 06:43 (75), 03/16/2020 20:37 (1), 05/02/2023 14:55 (4)
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 know what is going to be exploited?

We predict KEV entries!