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CVE-2017-0901

43
FAUCET Score

CVE-2017-0901 is a high-severity arbitrary file overwrite vulnerability affecting RubyGems versions 2.6.12 and earlier, including distributions from Canonical, Debian, and Red Hat. The flaw stems from insufficient validation of specification names, allowing a specially crafted gem to overwrite any file on the filesystem. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with no user interaction, potentially leading to high integrity impacts. While not listed on CISA's KEV catalog and lacking significant community discussion or media coverage, public exploit code is available on ExploitDB, indicating a potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.12CPE matchmatch criteria
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
29.44%
Probability of exploitation in next 30 days
EPSS Percentile
98.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-42611 · Sep 4, 2017
This CVE's current EPSS score of 0.2944 is in the 97th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (22)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ruby-0:2.0.0.648-33.el7_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby24-ruby-0:2.4.2-86.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby22-ruby-0:2.2.9-19.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-ruby23-ruby-0:2.3.6-67.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-ruby24-ruby-0:2.4.2-86.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-ruby22-ruby-0:2.2.9-19.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-ruby23-ruby-0:2.3.6-67.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby24-ruby-0:2.4.2-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby22-ruby-0:2.2.9-19.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-ruby23-ruby-0:2.3.6-67.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-ruby24-ruby-0:2.4.2-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-ruby22-ruby-0:2.2.9-19.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSFixed in: rh-ruby23-ruby-0:2.3.6-67.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby24-ruby-0:2.4.2-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby23-ruby-0:2.3.6-67.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-ruby22-ruby-0:2.2.9-19.el7
View patch
rubygemspatch availablevia ghsa
Product: rubygems-updateFixed in: 2.6.13
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: rubygems
redhatvendor investigatingvia redhat_api
Product: Red Hat Satellite 6Fixed in: rubygems
redhatvendor investigatingvia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: ruby193-rubygems
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: rubygems

Vendor Advisories (2)

rubygemsGHSA-pm9x-4392-2c2phigh

RubyGems may allow a maliciously crafted gem to overwrite files

May 13, 2022
redhatCVE-2017-0901Moderate

rubygems: Arbitrary file overwrite due to incorrect validation of specification name

Sep 1, 2017

References

blog.rubygems.org / 2017/08/27/2.6.13-released.html
PatchVendor Advisory
access.redhat.com / errata/RHSA-2017:3485
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0378
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0583
Third Party Advisory
access.redhat.com / errata/RHSA-2018:0585
Third Party Advisory
github.com / rubygems/rubygems/commit/ad5c0a53a86ca5b218c7976765c0365b91d22cb2
PatchThird Party Advisory
hackerone.com / reports/243156
ExploitPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00012.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201710-01
Third Party Advisory
usn.ubuntu.com / 3553-1
Third Party Advisory
usn.ubuntu.com / 3685-1
Third Party Advisory
debian.org / security/2017/dsa-3966
Third Party Advisory
exploit-db.com / exploits/42611
ExploitThird Party AdvisoryVDB Entry
securityfocus.com / bid/100580
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039249
Third Party AdvisoryVDB Entry