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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2019-14853US | high7.5 | — | ||
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 a… | ||||
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references
External citations — patches, advisories, analysis.
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853REPORT
- https://github.com/advisories/GHSA-2mrj-435v-c2crADVISORY
- https://github.com/advisories/GHSA-pwfw-mgfj-7g3gADVISORY
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3WEB
- https://seclists.org/bugtraq/2019/Dec/33WEB
- https://www.debian.org/security/2019/dsa-4588ADVISORY
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