CVE-2017-17742

Impact:
Moderate
Public Date:
2018-03-28
CWE:
CWE-113
Bugzilla:
1561952: CVE-2017-17742 ruby: HTTP response splitting in WEBrick
It was found that WEBrick did not sanitize headers sent back to clients, resulting in a response-splitting vulnerability. An attacker, able to control the server's headers, could force WEBrick into injecting additional headers to a client.

Find out more about CVE-2017-17742 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 4.7
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality None
Integrity Impact Low
Availability Impact None

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

Mitigation

The server can manually sanitize possibly untrusted headers prior to inserting them in the reply.

External References

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