DEBIAN-CVE-2023-3961

Source
https://security-tracker.debian.org/tracker/CVE-2023-3961
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-3961.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2023-3961
Upstream
Published
2023-11-03T13:15:08Z
Modified
2025-09-19T07:33:24.554300Z
Summary
[none]
Details

A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory. Samba typically uses this mechanism to connect SMB clients to remote procedure call (RPC) services like SAMR LSA or SPOOLSS, which Samba initiates on demand. However, due to inadequate sanitization of incoming client pipe names, allowing a client to send a pipe name containing Unix directory traversal characters (../). This could result in SMB clients connecting as root to Unix domain sockets outside the private directory. If an attacker or client managed to send a pipe name resolving to an external service using an existing Unix domain socket, it could potentially lead to unauthorized access to the service and consequential adverse events, including compromise or service crashes.

References

Affected packages

Debian:12 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.17.12+dfsg-0+deb12u1

Affected versions

2:4.*

2:4.17.8+dfsg-2
2:4.17.8+dfsg-2.1
2:4.17.9+dfsg-0+deb12u1
2:4.17.9+dfsg-0+deb12u2
2:4.17.9+dfsg-0+deb12u3~bpo11+1
2:4.17.9+dfsg-0+deb12u3
2:4.17.10+dfsg-0+deb12u1~bpo11+1
2:4.17.10+dfsg-0+deb12u1
2:4.17.11+dfsg-0+deb12u1
2:4.17.12+dfsg-0+deb12u1~bpo11+1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.19.1+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / samba

Package

Name
samba
Purl
pkg:deb/debian/samba?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.19.1+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}