Vulnerability in Hackerone Ruby
CVE-2017-0898
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 inform…
EPSS: 0.014 (80.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Hackerone Ruby — versions Versions before 2.4.2, 2.3.5, and 2.2.8
- Ruby-lang Ruby — versions 2.2.0, 2.2.1, 2.2.2
Weakness classification (CWE)
References
- support@hackerone.com (x_refsource_UBUNTU, vendor-advisory)
- support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory)
- support@hackerone.com (vendor-advisory, x_refsource_DEBIAN)
- support@hackerone.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- support@hackerone.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory)
- support@hackerone.com (mailing-list, x_refsource_MLIST)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2017-0898?
- CVE-2017-0898 is a critical-severity vulnerability in Hackerone Ruby, classified under Use of Externally-Controlled Format String. CVSS score: 9.1/10. Published 2017-09-15.
- How severe is CVE-2017-0898?
- Critical severity. CVSS v3 base score is 9.1 out of 10.