CVE-2017-0903
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 16%
exploitation probability
16%top 3% of all CVEs
observed exploitation
nono source reports it
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 products
HackerOne · RubyGemsReferences
http://blog.rubygems.org/2017/10/09/2.6.14-released.htmlhttp://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.htmlhttps://access.redhat.com/errata/RHSA-2017:3485https://access.redhat.com/errata/RHSA-2018:0378https://access.redhat.com/errata/RHSA-2018:0583https://access.redhat.com/errata/RHSA-2018:0585https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49https://hackerone.com/reports/274990https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlhttps://usn.ubuntu.com/3553-1/https://usn.ubuntu.com/3685-1/https://www.debian.org/security/2017/dsa-4031