CVE-2001-0623

sendfile - Privilege Escalation via Notification Email Handling

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2001-0623. PoCs published by psheep, Cade Cairns.

AI-analyzed exploit summary This exploit leverages a privilege escalation vulnerability in the Sendfile daemon (SAFT protocol) by injecting arbitrary commands into a user's configuration file, leading to execution with elevated privileges. It compiles helper binaries to achieve a root shell via setuid manipulation.

Description

sendfiled, as included with Simple Asynchronous File Transfer (SAFT), on various Linux systems does not properly drop privileges when sending notification emails, which allows local attackers to gain privileges.

Exploits (2)

exploitdb WORKING POC VERIFIED
by psheep · bashlocallinux
https://www.exploit-db.com/exploits/20795

This exploit leverages a privilege escalation vulnerability in the Sendfile daemon (SAFT protocol) by injecting arbitrary commands into a user's configuration file, leading to execution with elevated privileges. It compiles helper binaries to achieve a root shell via setuid manipulation.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Sendfile daemon (SAFT protocol implementation)
No auth needed
Prerequisites: Local access to the system · Sendfile daemon running · Write access to the spool directory
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Cade Cairns · bashlocallinux
https://www.exploit-db.com/exploits/20798

This exploit leverages a serialization error in the Sendfile daemon (sendfiled) to execute arbitrary commands as root. It manipulates the configuration file to insert a malicious notification command, which triggers the execution of a suid root shell wrapper.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Sendfile daemon (sendfiled) with SAFT protocol
No auth needed
Prerequisites: Local access to the system · Sendfile daemon running · Write access to the spool directory
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2001/dsa-050
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/6430
Patch, Vendor Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2001/dsa-052

Scores

EPSS 0.0080
EPSS Percentile 51.9%

Details

Status published
Products (1)
sendfile/sendfile
Published Aug 02, 2001
Tracked Since Feb 18, 2026