Description
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
HackerOne Ruby
Versions before 2.4.2, 2.3.5, and 2.2.8affected
References
- https://usn.ubuntu.com/3685-1/ ↗
- https://hackerone.com/reports/212241 ↗
- https://access.redhat.com/errata/RHSA-2018:0585 ↗
- https://access.redhat.com/errata/RHSA-2018:0378 ↗
- https://www.debian.org/security/2017/dsa-4031 ↗
- http://www.securityfocus.com/bid/100862 ↗
- http://www.securitytracker.com/id/1039363 ↗
- https://access.redhat.com/errata/RHSA-2017:3485 ↗
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html ↗
- https://access.redhat.com/errata/RHSA-2018:0583 ↗
- https://github.com/mruby/mruby/issues/3722 ↗
- https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/ ↗
- https://security.gentoo.org/glsa/201710-18 ↗