ISOMAN

CVE

CVE-2018-8778

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

Severity
HIGH
CVSS
7.5
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu16.04.7 amd64 desktopunknownsource
Ubuntu16.04.6 i386 desktopunknownsource
Ubuntu16.04.7 amd64 serverunknownsource
Ubuntu16.04.6 i386 serverunknownsource
Ubuntu14.04.6 amd64 desktopunknownsource
Ubuntu14.04.6 i386 desktopunknownsource
Ubuntu14.04.6 amd64 serverunknownsource
Ubuntu14.04.6 i386 serverunknownsource

References

  1. http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
  2. http://www.securityfocus.com/bid/103693
  3. http://www.securitytracker.com/id/1042004
  4. https://access.redhat.com/errata/RHSA-2018:3729
  5. https://access.redhat.com/errata/RHSA-2018:3730
  6. https://access.redhat.com/errata/RHSA-2018:3731
  7. https://access.redhat.com/errata/RHSA-2019:2028
  8. https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
  9. https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html
  10. https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
  11. https://usn.ubuntu.com/3626-1/
  12. https://www.debian.org/security/2018/dsa-4259
  13. https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/
  14. https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
  15. https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
  16. https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
  17. https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
  18. http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
  19. http://www.securityfocus.com/bid/103693
  20. http://www.securitytracker.com/id/1042004