CVE-2018-1000073
Aliases:GHSA-gx69-6cp4-hxrj
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 13 Mar 2018, 15:00
Last modified:05 Aug 2024, 12:33
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
1.06% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
13 Mar 2018, 15:00
Published
Vulnerability first disclosed
05 Aug 2024, 12:33
Last Modified
Vulnerability information updated
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 install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. This vulnerability appears to have been fixed in 2.7.6.
CVSS Metrics
- v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 1.06%• Percentile: 78%
Techniques & Countermeasures
- CWE-59•Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
Affected Systems
- RubyGems•rubygems-update
< 2.7.6
- org.jruby•jruby-stdlib
< 9.1.16.0
- rubygems•rubygems
≤ 2.2.9 | ≤ 2.3.6 | ≤ 2.4.3 | ≤ 2.5.0
References (20)
- https://www.debian.org/security/2018/dsa-4219
- https://usn.ubuntu.com/3621-1/
- 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/1b931fc03b819b9a0214be3eaca844ef534175e2
- https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
- https://www.debian.org/security/2018/dsa-4259
- http://blog.rubygems.org/2018/02/15/2.7.6-released.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://access.redhat.com/errata/RHSA-2019:2028
- https://access.redhat.com/errata/RHSA-2020:0542
- https://access.redhat.com/errata/RHSA-2020:0591
- https://access.redhat.com/errata/RHSA-2020:0663
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000073
- https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
- https://usn.ubuntu.com/3621-1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2018-1000073.yml
- https://github.com/rubygems/rubygems
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925986