High severity7.5NVD Advisory· Published Nov 28, 2017· Updated Jun 17, 2026

CVE-2017-17042

Description

lib/yard/core_ext/file.rb in the server in YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to conduct directory traversal attacks and read arbitrary files.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
yardRubyGems	< 0.9.11	0.9.11

Affected products

Yardoc/Yard
cpe:2.3:a:yardoc:yard:*:*:*:*:*:*:*:*
Range: <0.9.11
ghsa-coords2 versions
pkg:gem/yard pkg:rpm/suse/rubygem-yard&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3
< 0.9.11+ 1 more
- (no CPE)range: < 0.9.11
- (no CPE)range: < 0.8.7.3-7.3.1

Patches

Vulnerability mechanics

References

github.com/lsegal/yard/commit/b0217b3e30dc53d057b1682506333335975e62b4nvdPatchWEB
github.com/advisories/GHSA-gj4p-3wh3-2rmfghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2017-17042ghsaADVISORY
github.com/rubysec/ruby-advisory-db/blob/master/gems/yard/CVE-2017-17042.ymlghsaWEB

News mentions

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cvss	0.488
epss	0.002
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000