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CVE
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CVE-2018-1000076Date: (C)2018-04-09   (M)2024-02-22


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 Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
DSA-4219
DSA-4259
RHSA-2018:3729
RHSA-2018:3730
RHSA-2018:3731
RHSA-2019:2028
RHSA-2020:0542
RHSA-2020:0591
RHSA-2020:0663
USN-3621-1
https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
http://blog.rubygems.org/2018/02/15/2.7.6-released.html
https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693
openSUSE-SU-2019:1771

CPE    2
cpe:/o:debian:debian_linux:7.0
cpe:/a:rubygems:rubygems
CWE    1
CWE-347
OVAL    19
oval:org.secpod.oval:def:603422
oval:org.secpod.oval:def:704193
oval:org.secpod.oval:def:114113
oval:org.secpod.oval:def:52077
...

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