Name | CVE-2020-13936 |
Description | An attacker that is able to modify Velocity templates may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running the Servlet container. This applies to applications that allow untrusted users to upload/modify velocity templates running Apache Velocity Engine versions up to 2.2. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DLA-2595-1, ELA-380-1 |
Debian Bugs | 985220 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
velocity (PTS) | jessie, jessie (lts) | 1.7-4+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 1.7-5+deb9u1 | fixed |
| buster | 1.7-5+deb10u1 | fixed |
| bullseye, bookworm | 1.7-6 | fixed |
| sid, trixie | 1.7-7 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.openwall.com/lists/oss-security/2021/03/10/1
Fixed by: https://github.com/apache/velocity-engine/commit/1ba60771d23dae7e6b3138ae6bee09cf6f9d2485