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CVE-2012-0870

Impact:
Critical
Public Date:
2012-02-21
CWE:
CWE-674->CWE-119
Bugzilla:
795509: CVE-2012-0870 samba: Any Batched ("AndX") request processing infinite recursion and heap-based buffer overflow

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in process.c in smbd in Samba 3.0, as used in the file-sharing service on the BlackBerry PlayBook tablet before 2.0.0.7971 and other products, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a Batched (aka AndX) request that triggers infinite recursion.

Find out more about CVE-2012-0870 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect samba3x packages as shipped with Red Hat Enterprise Linux 5 and samba packages as shipped with Red Hat Enterprise Linux 6, as it only affected Samba versions prior to 3.4.0. This issue was addressed in samba packages in Red Hat Enterprise Linux 4 and 5 via RHSA-2012:0332.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 8.3
Base Metrics AV:A/AC:L/Au:N/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux EUS (v. 5.6 server) (samba) RHSA-2012:0332 2012-02-23
Red Hat Enterprise Linux 5 (samba) RHSA-2012:0332 2012-02-23
Red Hat Enterprise Linux Long Life (v. 5.3 server) (samba) RHSA-2012:0332 2012-02-23
Red Hat Enterprise Linux 4 (samba) RHSA-2012:0332 2012-02-23

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 samba3x Not affected
Red Hat Enterprise Linux 6 samba Not affected
Red Hat Enterprise Linux 6 samba4 Not affected

Acknowledgements

Red Hat would like to thank the Samba team for reporting this issue. Upstream acknowledges Andy Davis of NGS Secure as the original reporter.

External References

Last Modified