libssh sftp_handle out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in libssh. This vulnerability affects the function sftp_handle. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2025-5318. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in libssh (version now known). This affects the function sftp_handle. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in the libssh library in versions less than 0.11.2. An out-of-bounds read can be triggered in the sftp_handle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in further processing. This vulnerability allows an authenticated remote attacker to potentially read unintended memory regions, exposing sensitive information or affect service behavior.

It is possible to read the advisory at access.redhat.com. This vulnerability is uniquely identified as CVE-2025-5318 since 05/29/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 241379 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libssh (SUSE-SU-2025:02229-1)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (241379), EUVD (EUVD-2025-23900) and CERT Bund (WID-SEC-2025-1423). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • NetApp AFF
  • NetApp ActiveIQ Unified Manager
  • RESF Rocky Linux
  • Dell Avamar
  • NetApp FAS
  • Open Source libssh
  • IBM App Connect Enterprise
  • Dell NetWorker
  • Dell Secure Connect Gateway
  • Red Hat OpenShift
  • Meinberg LANTIME
  • IBM Security Verify Access
  • IBM QRadar SIEM

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (redhat): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 241379
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libssh (SUSE-SU-2025:02229-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/29/2025 🔍
06/24/2025 +26 days 🔍
06/24/2025 +0 days 🔍
01/25/2026 +215 days 🔍

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2025-5318 (🔍)
GCVE (CVE): GCVE-0-2025-5318
GCVE (VulDB): GCVE-100-313767
EUVD: 🔍
CERT Bund: WID-SEC-2025-1423 - libssh: Mehrere Schwachstellen

Entryinfo

Created: 06/24/2025 17:34
Updated: 01/25/2026 18:07
Changes: 06/24/2025 17:34 (60), 07/05/2025 12:45 (2), 08/21/2025 04:47 (12), 08/31/2025 09:47 (1), 10/18/2025 19:46 (7), 10/20/2025 10:45 (1), 10/27/2025 08:11 (1), 11/03/2025 19:33 (1), 11/28/2025 11:21 (1), 11/28/2025 16:26 (1), 12/18/2025 17:55 (1), 01/08/2026 06:12 (6), 01/21/2026 17:11 (4), 01/25/2026 18:07 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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