Vulnerability Details CVE-2019-14853
An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.8%
CVSS Severity
CVSS v3 Score 3.7
CVSS v2 Score 5.0
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
- https://seclists.org/bugtraq/2019/Dec/33
- https://www.debian.org/security/2019/dsa-4588
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
- https://seclists.org/bugtraq/2019/Dec/33
- https://www.debian.org/security/2019/dsa-4588
Products affected by CVE-2019-14853
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.10
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.11
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.12
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13.1
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.13.2
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.5
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.6
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.7
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.8
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cpe:2.3:a:python-ecdsa_project:python-ecdsa:0.9