Samba: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200702-01 / samba
Release Date	February 13, 2007
Latest Revision	February 13, 2007: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-fs/samba	< 3.0.24	>= 3.0.24	All supported architectures

Related bugreports: #165549

Synopsis

Multiple flaws exist in the Samba suite of programs, the most serious of which could result in the execution of arbitrary code.

2. Impact Information

Background

Samba is a suite of SMB and CIFS client/server programs for UNIX.

Description

A format string vulnerability exists in the VFS module when handling AFS file systems and an infinite loop has been discovered when handling file rename operations.

Impact

A user with permission to write to a shared AFS file system may be able to compromise the smbd process and execute arbitrary code with the permissions of the daemon. The infinite loop could be abused to consume excessive resources on the smbd host, denying service to legitimate users.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Samba users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-fs/samba-3.0.24"

4. References

Page updated February 13, 2007

Summary: This is a Gentoo Linux Security Advisory

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