CVE-2017-0903

Summary

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.

Affected Software

Weaknesses

• CWE-502: Deserialization of Untrusted Data (CWE-502)

ADP Enrichment

CVE Program Container

Additional References

• https://usn.ubuntu.com/3685-1/
• https://usn.ubuntu.com/3553-1/
• https://access.redhat.com/errata/RHSA-2018:0585
• https://access.redhat.com/errata/RHSA-2018:0378
• https://hackerone.com/reports/274990
• https://www.debian.org/security/2017/dsa-4031
• https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
• https://access.redhat.com/errata/RHSA-2017:3485
• http://blog.rubygems.org/2017/10/09/2.6.14-released.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
• https://access.redhat.com/errata/RHSA-2018:0583
• http://www.securityfocus.com/bid/101275
• http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html

References

• https://usn.ubuntu.com/3685-1/
• https://usn.ubuntu.com/3553-1/
• https://access.redhat.com/errata/RHSA-2018:0585
• https://access.redhat.com/errata/RHSA-2018:0378
• https://hackerone.com/reports/274990
• https://www.debian.org/security/2017/dsa-4031
• https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
• https://access.redhat.com/errata/RHSA-2017:3485
• http://blog.rubygems.org/2017/10/09/2.6.14-released.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
• https://access.redhat.com/errata/RHSA-2018:0583
• http://www.securityfocus.com/bid/101275
• http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html

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