Vulnerability CVE-2018-1000079
Published: 2018-03-13

Description:
RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Rubygems -> Rubygems 

 References:
http://blog.rubygems.org/2018/02/15/2.7.6-released.html
https://access.redhat.com/errata/RHSA-2018:3729
https://access.redhat.com/errata/RHSA-2018:3730
https://access.redhat.com/errata/RHSA-2018:3731
https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://usn.ubuntu.com/3621-1/
https://www.debian.org/security/2018/dsa-4219
https://www.debian.org/security/2018/dsa-4259
Copyright 2024, cxsecurity.com

 

Back to Top