Vulnerability-Lookup

SUSE-SU-2019:1059-1

Vulnerability from csaf_suse - Published: 2019-04-27 07:44 - Updated: 2026-09-20 13:08

Summary

Security update for libssh2_org

Severity

Important

Notes

Title of the patch: Security update for libssh2_org

Description of the patch: This update for libssh2_org fixes the following issues: - Incorrect upstream fix for CVE-2019-3859 broke public key authentication [bsc#1133528, bsc#1130103]

Patchnames: SUSE-2019-1059,SUSE-SLE-Module-Basesystem-15-2019-1059

CVE-2019-3859

3.5 (Low)


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

Affected products

Recommended 40 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-1-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-1-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-1-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-1-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-devel-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-devel-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-devel-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Desktop 15:libssh2-devel-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-1-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-1-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-1-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-1-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-devel-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-devel-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-devel-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15:libssh2-devel-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-1-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-1-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-1-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-1-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-devel-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-devel-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-devel-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15:libssh2-devel-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-1-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-1-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-1-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-1-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-devel-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-devel-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-devel-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15:libssh2-devel-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-1-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-1-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-1-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-1-0:1.8.0-4.6.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-devel-0:1.8.0-4.6.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-devel-0:1.8.0-4.6.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-devel-0:1.8.0-4.6.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15:libssh2-devel-0:1.8.0-4.6.1.x86_64	—	Vendor Fix

Threats

Impact moderate

References

11 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/1130103	self
https://bugzilla.suse.com/1133528	self
https://www.suse.com/security/cve/CVE-2019-3859/	self
https://www.suse.com/security/cve/CVE-2019-3859	external
https://bugzilla.suse.com/1128480	external
https://bugzilla.suse.com/1130103	external
https://bugzilla.suse.com/1135434	external

JSON

To clipboard

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          "category": "impact",
          "date": "2019-04-27T07:44:04Z",
          "details": "moderate"
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      ],
      "title": "CVE-2019-3859"
    }
  ]
}

CVE-2019-3859 (GCVE-0-2019-3859)

Vulnerability from cvelistv5 – Published: 2019-03-20 21:18 – Updated: 2025-12-18 11:43

Summary

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Severity

5 (Medium)


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

9.1 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-18 11:43 UTC

CWE

CWE-125
CWE-125 - Out-of-bounds Read

Assigner

redhat redhat root Scorecard

References

20 references

URL	Tags
http://www.openwall.com/lists/oss-security/2019/03/18/3	mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/Mar/25	mailing-listx_refsource_BUGTRAQ
https://www.libssh2.org/CVE-2019-3859.html	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
http://packetstormsecurity.com/files/152136/Slack…	x_refsource_MISC
http://www.securityfocus.com/bid/107485	vdb-entryx_refsource_BID
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://www.broadcom.com/support/fibre-channel-ne…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019032…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2019/dsa-4431	vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Apr/25	mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
The libssh2 Project	libssh2	Affected: 1.8.1

Date Public

2019-03-13 00:00

Show details on NVD website

JSON

To clipboard

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    "dateUpdated": "2025-12-18T11:43:47.109Z",
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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-2019:1059-1

CVE-2019-3859 (GCVE-0-2019-3859)

Tags

Sightings

Nomenclature

Related by attack behaviour