Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Ruby | 2.2.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/100862Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039363Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:3485
- https://access.redhat.com/errata/RHSA-2018:0378
- https://access.redhat.com/errata/RHSA-2018:0583
- https://access.redhat.com/errata/RHSA-2018:0585
- https://github.com/mruby/mruby/issues/3722ExploitThird Party Advisory
- https://hackerone.com/reports/212241ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://security.gentoo.org/glsa/201710-18
- https://usn.ubuntu.com/3685-1/
- https://www.debian.org/security/2017/dsa-4031
- https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-08Vendor Advisory
- http://www.securityfocus.com/bid/100862Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039363Third Party AdvisoryVDB Entry
FAQ
What is CVE-2017-0898?
CVE-2017-0898 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 i...
How severe is CVE-2017-0898?
CVE-2017-0898 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-0898?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Ruby.