CVE-2013-0176 - Vulnerability Details - OpenCVE

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01019.

Key SSVC decision points have not yet been added.

Vendors	Products
Libssh	Libssh

Configuration 1 [-]

OR	cpe:2.3:a:libssh:libssh::::::::
	cpe:2.3:a:libssh:libssh:0.4.7:::::::*
	cpe:2.3:a:libssh:libssh:0.4.8:::::::*
	cpe:2.3:a:libssh:libssh:0.5.0:::::::*
	cpe:2.3:a:libssh:libssh:0.5.0:rc1::::::
	cpe:2.3:a:libssh:libssh:0.5.1:::::::*
	cpe:2.3:a:libssh:libssh:0.5.2:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2013-0214	The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
Ubuntu USN	USN-1707-1	libssh vulnerability

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html
http://secunia.com/advisories/51982
http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
http://www.ubuntu.com/usn/USN-1707-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/81595

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2013-02-05T23:11:00

Updated: 2024-08-06T14:18:09.365Z

Reserved: 2012-12-06T00:00:00

Link: CVE-2013-0176

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2013-02-05T23:55:01.850

Modified: 2025-04-11T00:51:21.963

Link: CVE-2013-0176

Redhat

No data.

OpenCVE Enrichment

No data.

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