CRITICAL 9.8 RubyGems
RubyGems vulnerable to Deserialization of Untrusted Data
GHSA-mqwr-4qf2-2hcv · CVE-2017-0903
Published · Modified
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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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2017-0903
- WEB https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
- WEB https://hackerone.com/reports/274990
- WEB https://access.redhat.com/errata/RHSA-2017:3485
- WEB https://access.redhat.com/errata/RHSA-2018:0378
- WEB https://access.redhat.com/errata/RHSA-2018:0583
- WEB https://access.redhat.com/errata/RHSA-2018:0585
- PACKAGE https://github.com/rubygems/rubygems
- WEB https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- WEB https://usn.ubuntu.com/3553-1
- WEB https://usn.ubuntu.com/3685-1
- WEB https://web.archive.org/web/20200227143351/http://www.securityfocus.com/bid/101275
- WEB https://www.debian.org/security/2017/dsa-4031
- WEB http://blog.rubygems.org/2017/10/09/2.6.14-released.html
- WEB http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html
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