RCE in Hackerone Rubygems
CVE-2017-0899
RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.
EPSS: 0.093 (92.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hackerone Rubygems — versions Versions before 2.6.13
- Rubygems
- Debian Debian_linux — versions 8.0, 9.0
- Redhat Enterprise_linux_desktop — versions 7.0
- Redhat Enterprise_linux_server — versions 7.0
- Redhat Enterprise_linux_server_aus — versions 7.4, 7.6
- Redhat Enterprise_linux_server_eus — versions 7.4, 7.5, 7.6
- Redhat Enterprise_linux_server_tus — versions 7.4, 7.6
- Redhat Enterprise_linux_workstation — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- support@hackerone.com (Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-0899?
- CVE-2017-0899 is a critical-severity vulnerability in Hackerone Rubygems, classified under CWE-150. CVSS score: 9.8/10. Published 2017-08-31.
- How severe is CVE-2017-0899?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-0899 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.