CVE-2020-8264
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-8264
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2:6.0.3.4+dfsg-1 |
| debian | bullseye | fixed | 2:6.0.3.4+dfsg-1 |
| debian | forky | fixed | 2:6.0.3.4+dfsg-1 |
| debian | sid | fixed | 2:6.0.3.4+dfsg-1 |
| debian | trixie | fixed | 2:6.0.3.4+dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | actionpack | !< 6.0.0||<>= 6.0.3.4 | >= 6.0.3.4 |
| RubyGems | actionpack | >=6.0.0,<6.0.3.4 | 6.0.3.4 |
References
- https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk
- https://nvd.nist.gov/vuln/detail/CVE-2020-8264
- https://hackerone.com/reports/904059
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2020-8264.yml
- https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ
- https://security-tracker.debian.org/tracker/CVE-2020-8264
Verify integrity in audit chain (admin only). AS-IS.