CVE-2017-0900

Impact:
Low
Public Date:
2017-09-01
CWE:
CWE-138
Bugzilla:
1487588: CVE-2017-0900 rubygems: No size limit in summary length of gem spec
It was found that rubygems could use an excessive amount of CPU while parsing a sufficiently long gem summary. A specially crafted gem from a gem repository could freeze gem commands attempting to parse its summary.

Find out more about CVE-2017-0900 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of ruby as shipped with Red Hat Enterprise Linux 6, and 7 and the versions of rh-ruby22-ruby and rh-ruby23-ruby as shipped with Red Hat Software Collections. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

CVSS v3 metrics

CVSS3 Base Score 4.3
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-ruby23-ruby) RHSA-2018:0585 2018-03-26
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-ruby22-ruby) RHSA-2018:0583 2018-03-26
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-ruby22-ruby) RHSA-2018:0583 2018-03-26
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-ruby24-ruby) RHSA-2017:3485 2017-12-19
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-ruby24-ruby) RHSA-2017:3485 2017-12-19
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-ruby23-ruby) RHSA-2018:0585 2018-03-26
Red Hat Enterprise Linux 7 (ruby) RHSA-2018:0378 2018-02-28

Affected Packages State

Platform Package State
Red Hat Subscription Asset Manager 1 ruby193-rubygems Under investigation
Red Hat Satellite 6 rubygems Under investigation
Red Hat Enterprise MRG 2 rubygems Under investigation
Red Hat Enterprise Linux 6 rubygems Will not fix

External References

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