Path Traversal in Hackerone Rubygems
CVE-2017-0901
RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.202 (95.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Hackerone Rubygems — versions Versions before 2.6.13
- Rubygems
- Canonical Ubuntu_linux — versions 14.04, 16.04, 17.10
- 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_UBUNTU, vendor-advisory, Third Party Advisory)
- support@hackerone.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- 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, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- support@hackerone.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- support@hackerone.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-0901?
- CVE-2017-0901 is a high-severity vulnerability in Hackerone Rubygems, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-08-31.
- How severe is CVE-2017-0901?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-0901 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.