Vulnerability-Lookup

SUSE-SU-2025:20538-1

Vulnerability from csaf_suse - Published: 2025-07-31 09:38 - Updated: 2026-09-20 18:14

Summary

Security update for libgcrypt

Severity

Moderate

Notes

Title of the patch: Security update for libgcrypt

Description of the patch: This update for libgcrypt fixes the following issues: - CVE-2024-2236: Fixed timing based side-channel in RSA implementation (bsc#1221107)

Patchnames: SUSE-SLE-Micro-6.1-196

CVE-2024-2236

5.9 (Medium)


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

Affected products

Recommended 4 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Micro 6.1:libgcrypt20-0:1.10.3-slfo.1.1_2.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:libgcrypt20-0:1.10.3-slfo.1.1_2.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:libgcrypt20-0:1.10.3-slfo.1.1_2.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:libgcrypt20-0:1.10.3-slfo.1.1_2.1.x86_64	—	Vendor Fix

Threats

Impact moderate

References

8 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-updates/2025…	self
https://bugzilla.suse.com/1221107	self
https://www.suse.com/security/cve/CVE-2024-2236/	self
https://www.suse.com/security/cve/CVE-2024-2236	external
https://bugzilla.suse.com/1221107	external

JSON

To clipboard

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}

CVE-2024-2236 (GCVE-0-2024-2236)

Vulnerability from cvelistv5 – Published: 2024-03-06 22:07 – Updated: 2026-02-25 19:22

Title

Libgcrypt: vulnerable to marvin attack

Summary

A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.

Severity

5.9 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-03-07 20:07 UTC

CWE

CWE-385 - Covert Timing Channel

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 975 records in the last 180 days details

References

6 references

URL	Tags
https://access.redhat.com/errata/RHSA-2024:9404	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3530	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:3534	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2024-2236	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2245218	issue-trackingx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2268268	issue-trackingx_refsource_REDHATx_transferred

Impacted products

8 products

Vendor	Product	Version
		Affected: 0 , < 9.4.0 (semver)
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.10.0-11.el9 , < * (rpm) cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support	Unaffected: 0:1.10.0-10.el9_2.1 , < * (rpm) cpe:/o:redhat:rhel_eus:9.2::baseos cpe:/a:redhat:rhel_eus:9.2::appstream
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:1.10.0-10.el9_4.1 , < * (rpm) cpe:/o:redhat:rhel_eus:9.4::baseos cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8

Date Public

2024-03-06 00:00

Show details on NVD website

JSON

To clipboard

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          "vendor": "Red Hat"
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      ],
      "datePublic": "2024-03-06T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A timing-based side-channel flaw was found in libgcrypt\u0027s RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts."
        }
      ],
      "metrics": [
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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            "version": "3.1"
          },
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          "descriptions": [
            {
              "cweId": "CWE-385",
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        },
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          "name": "RHSA-2025:3534",
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        },
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          "time": "2023-10-20T00:00:00.000Z",
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        },
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          "time": "2024-03-06T00:00:00.000Z",
          "value": "Made public."
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      ],
      "title": "Libgcrypt: vulnerable to marvin attack",
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      },
      "x_redhatCweChain": "CWE-385: Covert Timing Channel"
    }
  },
  "cveMetadata": {
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    "assignerShortName": "redhat",
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    "datePublished": "2024-03-06T22:07:16.617Z",
    "dateReserved": "2024-03-06T20:10:15.745Z",
    "dateUpdated": "2026-02-25T19:22:48.221Z",
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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.
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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.

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SUSE-SU-2025:20538-1

CVE-2024-2236 (GCVE-0-2024-2236)

Tags

Sightings

Nomenclature

Related by attack behaviour