CVE-2017-0903
RubyGems vulnerable to Deserialization of Untrusted Data
9.8
CRITICAL
CVSS 3.1
EPSS 5.5%
Description
RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.
How to fix CVE-2017-0903
To remediate CVE-2017-0903, upgrade the affected package to a fixed version below.
- —upgrade to 3.2.0~rc.1-1 or later
- —upgrade to 2.6.14 or later
Is CVE-2017-0903 being exploited?
Moderate — EPSS is 5.5%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 3.2.0~rc.1-1
- >= 2.0.0, < 2.6.14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |