VDB-119676 · CVE-2018-12564 · DLA 1404-1

Linaro Lava prior 2018.5.post1 Submit Page HTTP Request File input validation

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linaro Lava and classified as problematic. The impacted element is an unknown function of the component Submit Page. The manipulation as part of HTTP Request results in input validation (File). This vulnerability is identified as CVE-2018-12564. The attack can be executed remotely. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linaro Lava. Affected is an unknown code of the component Submit Page. The manipulation as part of a HTTP Request leads to a input validation vulnerability (File). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality. CVE summarizes:

An issue was discovered in Linaro LAVA before 2018.5.post1. Because of support for URLs in the submit page, a user can forge an HTTP request that will force lava-server-gunicorn to return any file on the server that is readable by lavaserver and valid yaml.

The bug was discovered 06/15/2018. The weakness was released 06/19/2018 as confirmed git commit (GIT Repository). The advisory is shared for download at git.linaro.org. This vulnerability is traded as CVE-2018-12564 since 06/19/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110666 (Debian DSA-4234-1 : lava-server - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176417 (Debian Security Update for lava-server (DSA 4234-1)).

Upgrading to version 2018.5.post1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.linaro.org. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110666). Entry connected to this vulnerability is available at VDB-119677. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Linaro

Name

Lava

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: 🔍

Exploitinginfo

Name: File
Class: Input validation / File
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 110666
Nessus Name: Debian DSA-4234-1 : lava-server - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Lava 2018.5.post1
Patch: git.linaro.org

Timelineinfo

06/15/2018 🔍
06/19/2018 +3 days 🔍
06/19/2018 +0 days 🔍
06/19/2018 +0 days 🔍
06/20/2018 +1 days 🔍
06/22/2018 +2 days 🔍
06/25/2018 +3 days 🔍
03/28/2023 +1737 days 🔍

Sourcesinfo

Advisory: DLA 1404-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12564 (🔍)
GCVE (CVE): GCVE-0-2018-12564
GCVE (VulDB): GCVE-100-119676

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 06/20/2018 13:20
Updated: 03/28/2023 08:28
Changes: 06/20/2018 13:20 (78), 02/20/2020 11:31 (3), 03/28/2023 08:28 (4)
Complete: 🔍
Cache ID: 216::103