rubygems/rubygems · Security
RubyGems vulnerable to Deserialization of Untrusted Data
- GHSA ID
- GHSA-mqwr-4qf2-2hcv
- CVE ID
- CVE-2017-0903
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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. The issue has been patched in 2.6.14.
CWEs
- CWE-502 · Deserialization of Untrusted Data
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-0903 ↗
- https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49 ↗
- https://hackerone.com/reports/274990 ↗
- https://access.redhat.com/errata/RHSA-2017:3485 ↗
- https://access.redhat.com/errata/RHSA-2018:0378 ↗
- https://access.redhat.com/errata/RHSA-2018:0583 ↗
- https://access.redhat.com/errata/RHSA-2018:0585 ↗
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html ↗
- https://usn.ubuntu.com/3553-1/ ↗
- https://usn.ubuntu.com/3685-1/ ↗
- https://www.debian.org/security/2017/dsa-4031 ↗
- http://blog.rubygems.org/2017/10/09/2.6.14-released.html ↗
- http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html ↗
- https://web.archive.org/web/20200227143351/http://www.securityfocus.com/bid/101275 ↗
- https://github.com/advisories/GHSA-mqwr-4qf2-2hcv ↗