CVE-2017-0901

Description

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.

Affected products

• HackerOne / RubyGemsVersions before 2.6.13 – Versions before 2.6.13

References

• VENDOR_ADVISORYhttps://usn.ubuntu.com/3685-1/
• VENDOR_ADVISORYhttps://usn.ubuntu.com/3553-1/
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2018:0585
• VENDOR_ADVISORYhttps://www.debian.org/security/2017/dsa-3966
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2018:0378
• EXPLOIThttps://www.exploit-db.com/exploits/42611/
• MISChttp://www.securitytracker.com/id/1039249
• MISChttps://hackerone.com/reports/243156
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2017:3485
• PATCHhttps://github.com/rubygems/rubygems/commit/ad5c0a53a86ca5b218c7976765c0365b91d22cb2
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2018:0583
• MISChttps://security.gentoo.org/glsa/201710-01
• MISChttp://www.securityfocus.com/bid/100580
• MISChttp://blog.rubygems.org/2017/08/27/2.6.13-released.html