| Name | CVE-2020-8264 |
| Description | In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 971988 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| rails (PTS) | jessie, jessie (lts) | 2:4.1.8-1+deb8u9 | fixed |
| stretch (security), stretch (lts), stretch | 2:4.2.7.1-1+deb9u5 | fixed |
| buster (security), buster, buster (lts) | 2:5.2.2.1+dfsg-1+deb10u5 | fixed |
| bullseye (security), bullseye | 2:6.0.3.7+dfsg-2+deb11u2 | fixed |
| bookworm | 2:6.1.7.3+dfsg-2~deb12u1 | fixed |
| sid, trixie | 2:6.1.7.3+dfsg-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| rails | source | jessie | (not affected) | | | |
| rails | source | stretch | (not affected) | | | |
| rails | source | buster | (not affected) | | | |
| rails | source | (unstable) | 2:6.0.3.4+dfsg-1 | | | 971988 |
Notes
[buster] - rails <not-affected> (Vulnerable code not present)
[stretch] - rails <not-affected> (Vulnerable code not present)
https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ
[jessie] - rails <not-affected> (Vulnerable code not present)