Samba: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200705-15 / samba
Release Date	May 15, 2007
Latest Revision	May 15, 2007: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-fs/samba	< 3.0.24-r2	>= 3.0.24-r2	All supported architectures

Related bugreports: #177029

Synopsis

Samba contains multiple vulnerabilities potentially resulting in the execution of arbitrary code with root privileges.

2. Impact Information

Background

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

Description

Samba contains a logical error in the smbd daemon when translating local SID to user names (CVE-2007-2444). Furthermore, Samba contains several bugs when parsing NDR encoded RPC parameters (CVE-2007-2446). Lastly, Samba fails to properly sanitize remote procedure input provided via Microsoft Remote Procedure Calls (CVE-2007-2447).

Impact

A remote attacker could exploit these vulnerabilities to gain root privileges via various vectors.

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-r2"

4. References

Updated May 15, 2007

Summary: This is a Gentoo Linux Security Advisory

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