libssh up to 0.9.6/0.10.4 Re-Keying null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in libssh up to 0.9.6/0.10.4. This affects an unknown function of the component Re-Keying. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2023-1667. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in libssh up to 0.9.6/0.10.4 and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Re-Keying. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was released 05/08/2023. The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2023-1667 since 03/27/2023. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211737 (F5 Networks BIG-IP : libssh vulnerability (K000148495)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.9.7 or 0.10.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211737). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211737
Nessus Name: F5 Networks BIG-IP : libssh vulnerability (K000148495)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libssh 0.9.7/0.10.5

Timelineinfo

03/27/2023 🔍
05/08/2023 +42 days 🔍
05/08/2023 +0 days 🔍
11/23/2024 +565 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2023-1667 (🔍)
GCVE (CVE): GCVE-0-2023-1667
GCVE (VulDB): GCVE-100-228181

Entryinfo

Created: 05/08/2023 07:17
Updated: 11/23/2024 08:20
Changes: 05/08/2023 07:17 (38), 05/28/2023 17:31 (1), 11/23/2024 08:20 (17)
Complete: 🔍
Cache ID: 216:012:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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