Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/ ↗
- https://access.redhat.com/errata/RHSA-2018:3729 ↗
- https://usn.ubuntu.com/3626-1/ ↗
- http://www.securitytracker.com/id/1042004 ↗
- https://access.redhat.com/errata/RHSA-2018:3730 ↗
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html ↗
- https://access.redhat.com/errata/RHSA-2018:3731 ↗
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/ ↗
- https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/ ↗
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html ↗
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/ ↗
- https://www.debian.org/security/2018/dsa-4259 ↗
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/ ↗
- https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html ↗
- http://www.securityfocus.com/bid/103693 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html ↗
- https://access.redhat.com/errata/RHSA-2019:2028 ↗