Vulnerability CVE-2017-0898: Information
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.
Severity: CRITICAL (9.1) Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| ruby | sisyphus | 2.4.2-alt1 | 3.1.4-alt4.4 | ALT-PU-2017-2216-1 | 188251 | Fixed |
| ruby | p10 | 2.4.2-alt1 | 3.1.4-alt2.p10.1 | ALT-PU-2017-2216-1 | 188251 | Fixed |
| ruby | p9 | 2.4.2-alt1 | 2.5.9-alt1 | ALT-PU-2017-2216-1 | 188251 | Fixed |
| ruby | p8 | 2.4.2-alt0.M80P.1 | 2.5.1-alt0.M80P.1 | ALT-PU-2017-2276-1 | 188260 | Fixed |
| ruby | c10f1 | 2.4.2-alt1 | 2.7.4-alt2.2.1 | ALT-PU-2017-2216-1 | 188251 | Fixed |
| ruby | c9f2 | 2.4.2-alt1 | 2.7.6-alt0.1.c9f2 | ALT-PU-2017-2216-1 | 188251 | Fixed |
| ruby | c7 | 2.4.3-alt0.M70C.1 | 2.4.4-alt0.M70C.1 | ALT-PU-2018-1228-1 | 200650 | Fixed |
| ruby | p11 | 2.4.2-alt1 | 3.1.4-alt4.4 | ALT-PU-2017-2216-1 | 188251 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/ |
|
| https://hackerone.com/reports/212241 |
|
| https://github.com/mruby/mruby/issues/3722 |
|
| 1039363 |
|
| 100862 |
|
| GLSA-201710-18 | |
| DSA-4031 | |
| RHSA-2017:3485 | |
| RHSA-2018:0378 | |
| RHSA-2018:0585 | |
| RHSA-2018:0583 | |
| USN-3685-1 | |
| [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update |