CVE-2014-9720

python-tornado: XSRF cookie allows side-channel attack against TLS (BREACH)

Published Jan 24, 2020 CVSS 3.1 · 6.5 Medium EPSS 2.5% KEV · Not listed
Description
Tornado before 3.2.2 sends arbitrary responses that contain a fixed CSRF token and may be sent with HTTP compression, which makes it easier for remote attackers to conduct a BREACH attack and determine this token via a series of crafted requests.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-279-1 python-tornado security update
Debian DLA Debian DLA DLA-475-1 python-tornado security update
EUVD EUVD EUVD-2020-0222 Tornado before 3.2.2 sends arbitrary responses that contain a fixed CSRF token and may be sent with HTTP compression, which makes it easier for remote attackers to conduct a BREACH attack and determine this token via a series of crafted requests.
Github GHSA Github GHSA GHSA-8vpw-mgpf-mpvv Tornado XSRF cookie allows side-channel attack against TLS (BREACH attack)
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 1:55 PM
Reserved
May 19, 2015, 12:00 AM
Status
Modified
Published
Jan 24, 2020, 6:15 PM
Modified
Jun 17, 2026, 12:18 AM
Severity
Moderate
Public date
May 26, 2014, 12:00 AM