Overview
- Description
- This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
- Source
- security@apache.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 2.1
- Impact score
- 2.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- CWE-200
Social media
- Hype score
- Not currently trending
Configurations
[ { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21363BF5-2557-46EE-917D-8C9262F4CFDD", "versionEndIncluding": "2.6.3" }, { "criteria": "cpe:2.3:a:apache:hadoop:2.7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00E1BC92-93DF-479F-8C05-672ADF348565" }, { "criteria": "cpe:2.3:a:apache:hadoop:2.7.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CACFCC5-8A44-4DAE-A83F-139B488509A4" } ], "operator": "OR" } ] } ]