CVE-2020-26217
Published: 16 November 2020
XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.
Priority
Medium
CVSS 3 base score: 8.8
Status
| Package | Release | Status |
|---|---|---|
|
libxstream-java Launchpad, Ubuntu, Debian |
bionic |
Released
(1.4.11.1-1~18.04.1)
|
| focal |
Released
(1.4.11.1-1ubuntu0.1)
|
|
| groovy |
Released
(1.4.11.1-2ubuntu0.1)
|
|
| hirsute |
Not vulnerable
(1.4.14-1)
|
|
| impish |
Not vulnerable
(1.4.14-1)
|
|
| jammy |
Not vulnerable
(1.4.14-1)
|
|
| precise |
Does not exist
|
|
| trusty |
Needs triage
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26217
- https://x-stream.github.io/CVE-2020-26217.html
- https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2
- https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1a
- https://ubuntu.com/security/notices/USN-4714-1
- https://ubuntu.com/security/notices/USN-4943-1
- NVD
- Launchpad
- Debian