libssh 0.4.7/0.4.8/0.5.0/0.5.1/0.5.2 numeric error

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in libssh 0.4.7/0.4.8/0.5.0/0.5.1/0.5.2. It has been rated as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (infinite loop or crash) and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities.

The weakness was disclosed 11/30/2012 by Florian Weimer with Red Hat Product Security Team as Bug 871620 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2012-4562 since 08/21/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 64196 (SuSE 11.2 Security Update : libssh2 (SAT Patch Number 7073)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165818 (SUSE Security Update for libssh (openSUSE-SU-2013:0130-1)).

Upgrading to version 0.4.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (80221), Tenable (64196), SecurityFocus (BID 56604†) and Vulnerability Center (SBV-37474†).

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 64196
Nessus Name: SuSE 11.2 Security Update : libssh2 (SAT Patch Number 7073)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 72627
OpenVAS Name: Debian Security Advisory DSA 2577-1 (libssh)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libssh 0.4.7
ISS Proventia IPS: 🔍

Timelineinfo

08/21/2012 🔍
11/20/2012 +91 days 🔍
11/20/2012 +0 days 🔍
11/30/2012 +10 days 🔍
11/30/2012 +0 days 🔍
12/02/2012 +2 days 🔍
01/25/2013 +54 days 🔍
03/24/2015 +788 days 🔍
12/20/2021 +2463 days 🔍

Sourcesinfo

Advisory: Bug 871620
Researcher: Florian Weimer
Organization: Red Hat Product Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-4562 (🔍)
OVAL: 🔍

X-Force: 80221
SecurityFocus: 56604 - libssh Multiple Buffer Overflow and Denial of Service Vulnerabilities
Vulnerability Center: 37474 - Libssh <0.5.3 Multiple Integer Overflows Allows Remote DoS \\ Code Execution, Medium

Entryinfo

Created: 03/24/2015 12:22 PM
Updated: 12/20/2021 03:34 PM
Changes: 03/24/2015 12:22 PM (70), 04/22/2017 09:14 AM (7), 12/20/2021 03:34 PM (3)
Complete: 🔍
Cache ID: 35:3FC:40

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