DPDK vhost-user interface up to 18.02.0 information disclosure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in DPDK vhost-user interface up to 18.02.0. This vulnerability affects unknown code. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2018-1059. The attack can only be done within the local network. There is not any exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability has been found in DPDK vhost-user interface up to 18.02.0 and classified as critical. This vulnerability affects an unknown functionality. 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 confidentiality, integrity, and availability. CVE summarizes:
The DPDK vhost-user interface does not check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. This may lead to a malicious guest exposing vhost-user backend process memory. All versions before 18.02.1 are vulnerable.
The bug was discovered 02/11/2018. The weakness was released 04/24/2018 as Bug 1544298 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2018-1059 since 12/04/2017. The attack can only be done within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.
The vulnerability was handled as a non-public zero-day exploit for at least 72 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110716 (RHEL 7 : dpdk (RHSA-2018:2038)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171923 (OpenSUSE Security Update for dpdk (openSUSE-SU-2018:4003-1)).
Upgrading to version 18.02.1 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (110716). Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.4
VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 110716
Nessus Name: RHEL 7 : dpdk (RHSA-2018:2038)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 65718
OpenVAS Name: Ubuntu Update for dpdk USN-3642-2
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: DPDK vhost-user interface 18.02.1
Timeline
12/04/2017 🔍02/11/2018 🔍
04/24/2018 🔍
04/24/2018 🔍
04/25/2018 🔍
06/26/2018 🔍
06/27/2018 🔍
01/31/2020 🔍
Sources
Advisory: Bug 1544298Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-1059 (🔍)
GCVE (CVE): GCVE-0-2018-1059
GCVE (VulDB): GCVE-100-117076
Entry
Created: 04/25/2018 10:31Updated: 01/31/2020 13:16
Changes: 04/25/2018 10:31 (73), 01/31/2020 13:16 (3)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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