National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-1000078 Detail

Current 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 Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack appear to be exploitable via the victim must browse to a malicious gem on a vulnerable gem server. This vulnerability appears to have been fixed in 2.7.6.

Source:  MITRE
Description Last Modified:  03/13/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (V3 legend)
Impact Score: 2.7
Exploitability Score: 2.8

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://blog.rubygems.org/2018/02/15/2.7.6-released.html Vendor Advisory
https://github.com/rubygems/rubygems/commit/66a28b9275551384fdab45f3591a82d6b59952cb Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://usn.ubuntu.com/3621-1/
https://www.debian.org/security/2018/dsa-4219
https://www.debian.org/security/2018/dsa-4259

Technical Details

Vulnerability Type (View All)

  • Cross-Site Scripting (XSS) (CWE-79)

Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1000078
NVD Published Date:
03/13/2018
NVD Last Modified:
08/02/2018