Axessh 4.2 Local Stack-based Buffer Overflow via Log File Name
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename. Attackers can overflow the buffer at offset 214 bytes to overwrite the instruction pointer and execute shellcode with system privileges.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-25607
- 2026-10-03 Alias added: GHSA-892q-pfj4-43mq
References
More Labf vulnerabilities
- TI-2019-15786 LabF nfsAxe 3.7 Ping Client Buffer Overflow CVSS 4.0HIGH 8.6
- TI-2019-15643 Axessh 4.2 Denial of Service via Log File Name CVSS 4.0MEDIUM 6.9
- TI-2017-13255 Buffer Overflow in the FTP client in LabF nfsAxe 3.7 allows remote FTP servers to execute… CVSS 3.0CRITICAL 9.8
- TI-2025-24267 WinaXe 7.7 FTP Client Remote Buffer Overflow CVSS 4.0HIGH 8.7
- TI-2019-14255 The FTP client in AceaXe Plus 1.0 allows a buffer overflow via a long EHLO response from an FTP server. CVSS 3.1CRITICAL 9.8
- TI-2017-10805 Buffer overflow in LabF nfsAxe FTP client 3.7 allows an attacker to execute code remotely. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-25607 · CVE Program
- CVE-2019-25607 · NVD
- FIRST EPSS
- GHSA-892q-pfj4-43mq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences