VulnerabilityModified
CVE-2017-0903
RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability.
CRITICAL 9.8EPSS 15.9%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 15.85% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- rubygems/rubygems · debian/debian linux · canonical/ubuntu linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
- Source
- support@hackerone.com
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.