Vulnerability-Lookup

OPENSUSE-SU-2022:2562-1

Vulnerability from csaf_opensuse - Published: 2022-07-27 12:36 - Updated: 2026-09-20 19:44

Summary

Security update for python-M2Crypto

Severity

Important

Notes

Title of the patch: Security update for python-M2Crypto

Description of the patch: This update for python-M2Crypto fixes the following issues: - CVE-2020-25657: Fixed Bleichenbacher timing attacks in the RSA decryption API (bsc#1178829).

Patchnames: openSUSE-Leap-Micro-5.2-2022-2562

CVE-2020-25657

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 2 products

Product	Identifier	Version	Remediation
Unresolved product id: openSUSE Leap Micro 5.2:python3-M2Crypto-0:0.35.2-150000.3.14.1.aarch64		—	Vendor Fix
Unresolved product id: openSUSE Leap Micro 5.2:python3-M2Crypto-0:0.35.2-150000.3.14.1.x86_64		—	Vendor Fix

Threats

Impact important

References

9 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://lists.opensuse.org/archives/list/security…	self
https://lists.opensuse.org/archives/list/security…	self
https://bugzilla.suse.com/1178829	self
https://www.suse.com/security/cve/CVE-2020-25657/	self
https://www.suse.com/security/cve/CVE-2020-25657	external
https://bugzilla.suse.com/1178829	external
https://bugzilla.suse.com/1218044	external

JSON

To clipboard

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  ]
}

CVE-2020-25657 (GCVE-0-2020-25657)

Vulnerability from cvelistv5 – Published: 2021-01-12 14:33 – Updated: 2024-08-04 15:40

Summary

A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

Severity

No CVSS data available.

CWE

CWE-385

Assigner

redhat redhat root Scorecard

References

1 reference

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1889823	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	m2crypto	Affected: All released versions of m2crypto

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:40:36.257Z",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1889823"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "m2crypto",
          "vendor": "n/a",
          "versions": [
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          ]
        }
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        "dateUpdated": "2021-03-08T14:54:06.000Z",
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    "datePublished": "2021-01-12T14:33:02.000Z",
    "dateReserved": "2020-09-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:40:36.257Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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

OPENSUSE-SU-2022:2562-1

CVE-2020-25657 (GCVE-0-2020-25657)

Tags

Sightings

Nomenclature

Related by attack behaviour