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Medium severity · published Mar 13, 2018
CVE-2018-1000079
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…
5.5
CVSS
2.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Rubygems · Rubygems
through 2.2.9; through 2.3.6; through 2.4.3; through 2.5.0 · source: NVD
Affected product
RU
Rubygems
Rubygems
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000079
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000079
Vendor Advisory
http://blog.rubygems.org/2018/02/15/2.7.6-released.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:3729
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:3730
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:3731
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2028
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