GitHub Advisory DatabaseGHSA-8QXG-MFF5-J3WCRubyGems Path Traversal vulnerability
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
0.01 Low
EPSS
Percentile
84.0%
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 writing to arbitrary filesystem locations during installation. This attack appears to be exploitable via installation of a malicious gem. This vulnerability is fixed in 2.7.6.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| org.jruby:jruby-stdlib | lt | 9.1.16.0 | |
| rubygems-update | lt | 2.7.6 |
References
blog.rubygems.org/2018/02/15/2.7.6-released.html
lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
access.redhat.com/errata/RHSA-2018:3729
access.redhat.com/errata/RHSA-2018:3730
access.redhat.com/errata/RHSA-2018:3731
access.redhat.com/errata/RHSA-2019:2028
access.redhat.com/errata/RHSA-2020:0542
access.redhat.com/errata/RHSA-2020:0591
access.redhat.com/errata/RHSA-2020:0663
bugs.debian.org/cgi-bin/bugreport.cgi?bug=895778
github.com/advisories/GHSA-8qxg-mff5-j3wc
github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183
github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099
github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759
lists.debian.org/debian-lts-announce/2018/07/msg00012.html
nvd.nist.gov/vuln/detail/CVE-2018-1000079
security-tracker.debian.org/tracker/CVE-2018-1000079
usn.ubuntu.com/3621-1/
www.debian.org/security/2018/dsa-4219
www.debian.org/security/2018/dsa-4259
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
0.01 Low
EPSS
Percentile
84.0%