CVE-2019-0191
This means that a malicious user could craft a .kar file with ".." directory names and break out of the directories to write arbitrary content to the filesystem.
Does this matter?
Lower severity and a low EPSS score (4.86%). Track it; it rarely justifies an emergency change on its own.
Description
Apache Karaf kar deployer reads .kar archives and extracts the paths from the "repository/" and "resources/" entries in the zip file. It then writes out the content of these paths to the Karaf repo and resources directories. However, it doesn't do any validation on the paths in the zip file. This means that a malicious user could craft a .kar file with ".." directory names and break out of the directories to write arbitrary content to the filesystem. This is the "Zip-slip" vulnerability - https://snyk.io/research/zip-slip-vulnerability. This vulnerability is low if the Karaf process user has limited permission on the filesystem. Any Apache Karaf releases prior 4.2.3 is impacted.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 4.86% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- apache/karaf
- Source
- security@apache.org
References
- http://www.securityfocus.com/bid/107462Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/6856aa7ed7dd805eaf65d0e5e95027dda3b2307aacd1ab4a838c5cd1%40%3Cuser.karaf.apache.org%3E
- https://lists.apache.org/thread.html/cef9a2d4b547625e5214684283ac5c59c9d9740e092e777dc3f85070%40%3Ccommits.karaf.apache.org%3E
- http://www.securityfocus.com/bid/107462Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/6856aa7ed7dd805eaf65d0e5e95027dda3b2307aacd1ab4a838c5cd1%40%3Cuser.karaf.apache.org%3E
- https://lists.apache.org/thread.html/cef9a2d4b547625e5214684283ac5c59c9d9740e092e777dc3f85070%40%3Ccommits.karaf.apache.org%3E
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.