High severity · published Aug 31, 2017
CVE-2017-0902
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a…
8.1
CVSS
4.8%
EPSS
No
On KEV
Description
RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.4; 7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.4; 7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.4; 7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
RU
Rubygems · Rubygems
through 2.6.12 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-0902
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-0902
Patch
http://blog.rubygems.org/2017/08/27/2.6.13-released.html
Third Party Advisory
http://www.securityfocus.com/bid/100586
Third Party Advisory
http://www.securitytracker.com/id/1039249
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3485
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0378
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0583
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