CVE-2017-0903

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.

• CWE-502
• CWE-502

• http://blog.rubygems.org/2017/10/09/2.6.14-released.htmlVendor Advisory
• http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.htmlVendor Advisory
• http://www.securityfocus.com/bid/101275Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:3485Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0378Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0583Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0585Third Party Advisory
• https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49Patch, Third Party Advisory
• https://hackerone.com/reports/274990Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3553-1/Third Party Advisory
• https://usn.ubuntu.com/3685-1/Third Party Advisory
• https://www.debian.org/security/2017/dsa-4031Third Party Advisory
• http://blog.rubygems.org/2017/10/09/2.6.14-released.htmlVendor Advisory
• http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.htmlVendor Advisory
• http://www.securityfocus.com/bid/101275Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:3485Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0378Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0583Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:0585Third Party Advisory
• https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49Patch, Third Party Advisory
• https://hackerone.com/reports/274990Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3553-1/Third Party Advisory
• https://usn.ubuntu.com/3685-1/Third Party Advisory
• https://www.debian.org/security/2017/dsa-4031Third Party Advisory

Published

Oct 11, 2017

Last Modified

Jun 17, 2026

Status

Modified

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