CVE-2017-0898
CRITICAL 9.1EPSS 9.7%
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
- HackerOne · Ruby
- CVSS v3.0 NVD
- 9.1 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS v2.0 NVD
- 6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P - EPSS
- 9.72% chance of exploitation in the next 30 days, 95th percentile
- Published
- 2017-09-15
- Updated
- 2024-09-17
Proof-of-concept exploits (1)
Security advisories
- https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898
- http://www.securityfocus.com/bid/100862
- http://www.securitytracker.com/id/1039363
- mruby/mruby/issues/3722
- https://usn.ubuntu.com/3685-1