Elasticsearch up to 6.8.11/7.8.x Field Level Security privilege context switching error
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Elasticsearch up to 6.8.11/7.8.x. Affected is an unknown code of the component Field Level Security. The manipulation with an unknown input leads to a privilege context switching error vulnerability. CWE is classifying the issue as CWE-270. The product does not properly manage privileges while it is switching between different contexts that have different privileges or spheres of control. This is going to have an impact on confidentiality. CVE summarizes:
In Elasticsearch before 7.9.0 and 6.8.12 a field disclosure flaw was found when running a scrolling search with Field Level Security. If a user runs the same query another more privileged user recently ran, the scrolling search can leak fields that should be hidden. This could result in an attacker gaining additional permissions against a restricted index.
The weakness was presented 08/18/2020 (Website). The advisory is available at discuss.elastic.co. This vulnerability is traded as CVE-2020-7019 since 01/14/2020. The exploitability is told to be difficult. It is possible to launch the attack remotely. A authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
Upgrading to version 6.8.12 or 7.9.0 eliminates this vulnerability.
Product
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: 4.8VulDB Meta Temp Score: 4.7
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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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: 🔍
Exploiting
Class: Privilege context switching errorCWE: CWE-270 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Elasticsearch 6.8.12/7.9.0
Timeline
01/14/2020 🔍08/18/2020 🔍
08/19/2020 🔍
11/10/2020 🔍
Sources
Advisory: discuss.elastic.coStatus: Not defined
Confirmation: 🔍
CVE: CVE-2020-7019 (🔍)
Entry
Created: 08/19/2020 06:34Updated: 11/10/2020 11:56
Changes: 08/19/2020 06:34 (38), 08/19/2020 06:39 (17), 11/10/2020 11:56 (1)
Complete: 🔍
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