An open API service providing security vulnerability metadata for many open source software ecosystems.
Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWY2aG0tODh4My1tZmp2
A Server-Side Forgery Request can be activated unmarshalling with XStream to access data streams from an arbitrary URL referencing a resource in an intranet or the local host
The vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types.
If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
See workarounds for the different versions covering all CVEs.
See full information about the nature of the vulnerability and the steps to reproduce it in XStream's documentation for CVE-2021-21349.
The vulnerability was discovered and reported by threedr3am.
For more information
If you have any questions or comments about this advisory:https://github.com/advisories/GHSA-f6hm-88x3-mfjv
Source: GitHub Advisory Database
Published: over 2 years ago
Updated: 10 months ago
CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
Identifiers: GHSA-f6hm-88x3-mfjv, CVE-2021-21349
- https://lists.fedoraproject.org/archives/list/[email protected]/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/
Fixed in: 1.4.16