Linaro Lava prior 2018.5.post1 file URI input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linaro Lava and classified as critical. The affected element is an unknown function of the component file URI Handler. The manipulation leads to input validation. This vulnerability is referenced as CVE-2018-12563. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linaro Lava. This issue affects an unknown part of the component file URI Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Linaro LAVA before 2018.5.post1. Because of support for file: URLs, a user can force lava-server-gunicorn to download any file from the filesystem if it's readable by lavaserver and valid yaml.

The bug was discovered 06/15/2018. The weakness was published 06/19/2018 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.linaro.org. The identification of this vulnerability is CVE-2018-12563 since 06/19/2018. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not 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.

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.

Similar entries are available at VDB-119677 and VDB-119676. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day 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 🔍
02/20/2020 +610 days 🔍

Sourcesinfo

Advisory: git.linaro.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12563 (🔍)
GCVE (CVE): GCVE-0-2018-12563
GCVE (VulDB): GCVE-100-119675
See also: 🔍

Entryinfo

Created: 06/20/2018 13:20
Updated: 02/20/2020 11:24
Changes: 06/20/2018 13:20 (60), 02/20/2020 11:24 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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