Improper Input Validation Affecting rubygems package, versions <3.2.0~rc.1-1
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DEBIANUNSTABLE-RUBYGEMS-1018881
- published31 Aug 2017
- disclosed31 Aug 2017
Introduced: 31 Aug 2017
CVE-2017-0901 (opens in a new tab)How to fix?
Upgrade Debian:unstable rubygems to version 3.2.0~rc.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rubygems package and not the rubygems package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-0901
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0901
- https://www.debian.org/security/2017/dsa-3966
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://www.exploit-db.com/exploits/42611/
- https://security.gentoo.org/glsa/201710-01
- https://github.com/rubygems/rubygems/commit/ad5c0a53a86ca5b218c7976765c0365b91d22cb2
- https://hackerone.com/reports/243156
- http://blog.rubygems.org/2017/08/27/2.6.13-released.html
- https://access.redhat.com/errata/RHSA-2017:3485
- https://access.redhat.com/errata/RHSA-2018:0378
- https://access.redhat.com/errata/RHSA-2018:0583
- https://access.redhat.com/errata/RHSA-2018:0585
- http://www.securityfocus.com/bid/100580
- http://www.securitytracker.com/id/1039249
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-0901
- https://usn.ubuntu.com/3553-1/
- https://usn.ubuntu.com/3685-1/