CVE-2013-0176

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2013-0176
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-02-05 23:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

AV:N/AC:M/Au:N/C:N/I:N/A:P

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:M/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Libssh Libssh 0.4.7 All All All
Application Libssh Libssh 0.4.8 All All All
Application Libssh Libssh 0.5.0 All All All
Application Libssh Libssh 0.5.0 rc1 All All
Application Libssh Libssh 0.5.1 All All All
Application Libssh Libssh 0.5.2 All All All
Application Libssh Libssh All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
[SECURITY] Fedora 17 Update: libssh-0.5.4-1.fc17 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 18 Update: libssh-0.5.4-1.fc18 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Security Advisory SA51982 - Ubuntu update for libssh - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
USN-1707-1: libssh vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
libssh 0.5.4 (SECURITY RELEASE) at libssh - The SSH Library! af854a3a-2127-422b-91ae-364da2661108 www.libssh.org Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report