CVE-2018-8777

Impact:
Moderate
Public Date:
2018-03-28
CWE:
CWE-400
Bugzilla:
1561950: CVE-2018-8777 ruby: DoS by large request in WEBrick
It was found that WEBrick could be forced to use an excessive amount of memory during the processing of HTTP requests, leading to a Denial of Service. An attacker could use this flaw to send huge requests to a WEBrick application, resulting in the server running out of memory.

Find out more about CVE-2018-8777 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the versions of ruby as shipped with Red Hat CloudForms 4. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

This issue affects the versions of ruby as shipped with Red Hat Subscription Asset Manager 1. Red Hat Product Security has rated this issue as having security impact of Moderate. 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

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Subscription Asset Manager 1 ruby193-ruby Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux rh-ruby23-ruby Affected
Red Hat Software Collections for Red Hat Enterprise Linux rh-ruby25-ruby Affected
Red Hat Software Collections for Red Hat Enterprise Linux rh-ruby22-ruby Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux rh-ruby24-ruby Affected
Red Hat Enterprise Linux 7 ruby Affected
Red Hat Enterprise Linux 6 ruby Will not fix
Red Hat Enterprise Linux 5 ruby Will not fix

External References

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