Vulnerability-Lookup

SUSE-SU-2019:3024-1

Vulnerability from csaf_suse - Published: 2019-11-21 08:37 - Updated: 2026-09-20 13:21

Summary

Security update for python-ecdsa

Severity

Moderate

Notes

Title of the patch: Security update for python-ecdsa

Description of the patch: This update for python-ecdsa to version 0.13.3 fixes the following issues: Security issues fixed: - CVE-2019-14853: Fixed unexpected exceptions during signature decoding (bsc#1153165). - CVE-2019-14859: Fixed a signature malleability caused by insufficient checks of DER encoding (bsc#1154217).

Patchnames: HPE-Helion-OpenStack-8-2019-3024,SUSE-2019-3024,SUSE-OpenStack-Cloud-7-2019-3024,SUSE-OpenStack-Cloud-8-2019-3024,SUSE-OpenStack-Cloud-9-2019-3024,SUSE-OpenStack-Cloud-Crowbar-8-2019-3024,SUSE-OpenStack-Cloud-Crowbar-9-2019-3024,SUSE-SLE-Module-Public-Cloud-12-2019-3024,SUSE-SUSE-Manager-Server-3.2-2019-3024

CVE-2019-14853

5.3 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 31 products

Product	Version	Remediation
Unresolved product id: HPE Helion OpenStack 8:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP3:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP3:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP4:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP4:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5-LTSS:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5-LTSS:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP3:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP3:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12:python3-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Manager Server 3.2:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE OpenStack Cloud 7:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE OpenStack Cloud 8:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE OpenStack Cloud 9:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE OpenStack Cloud Crowbar 8:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix
Unresolved product id: SUSE OpenStack Cloud Crowbar 9:python-ecdsa-0:0.13.3-5.10.1.noarch	—	Vendor Fix

Threats

Impact moderate

CVE-2019-14859

6.8 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Affected products

Recommended 31 products, the same list as for CVE-2019-14853

Threats

Impact moderate

References

12 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1153165	self
https://bugzilla.suse.com/1154217	self
https://www.suse.com/security/cve/CVE-2019-14853/	self
https://www.suse.com/security/cve/CVE-2019-14859/	self
https://www.suse.com/security/cve/CVE-2019-14853	external
https://bugzilla.suse.com/1153165	external
https://www.suse.com/security/cve/CVE-2019-14859	external
https://bugzilla.suse.com/1154217	external

JSON

To clipboard

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        "title": "Patchnames"
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      {
        "category": "legal_disclaimer",
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  ]
}

CVE-2019-14853 (GCVE-0-2019-14853)

Vulnerability from cvelistv5 – Published: 2019-11-26 12:06 – Updated: 2024-08-05 00:26

Summary

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.

Severity

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-391

Assigner

redhat redhat root

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://github.com/warner/python-ecdsa/releases/t…	x_refsource_MISC
https://www.debian.org/security/2019/dsa-4588	vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Dec/33	mailing-listx_refsource_BUGTRAQ

Impacted products

1 product

Vendor	Product	Version
[UNKNOWN]	python-ecdsa	Affected: 0.13.3

Show details on NVD website

JSON

To clipboard

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CVE-2019-14859 (GCVE-0-2019-14859)

Vulnerability from cvelistv5 – Published: 2020-01-02 14:15 – Updated: 2024-08-05 00:26

Summary

A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions.

Severity

7.4 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-347

Assigner

redhat redhat root

References

4 references

URL	Tags
https://github.com/warner/python-ecdsa/releases/t…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://pypi.org/project/ecdsa/0.13.3/	x_refsource_MISC
https://github.com/warner/python-ecdsa/issues/114	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Red Hat	python-ecdsa	Affected: all python-ecdsa versions before 0.13.3

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2019:3024-1

CVE-2019-14853 (GCVE-0-2019-14853)

CVE-2019-14859 (GCVE-0-2019-14859)

Tags

Sightings

Nomenclature

Related by attack behaviour