[ GLSA 200909-10 ] LMBench: Insecure temporary file usage

2009-09-10T00:00:00
ID SECURITYVULNS:DOC:22443
Type securityvulns
Reporter Securityvulns
Modified 2009-09-10T00:00:00

Description


Gentoo Linux Security Advisory GLSA 200909-10


                                        http://security.gentoo.org/

Severity: Normal Title: LMBench: Insecure temporary file usage Date: September 09, 2009 Bugs: #246015 ID: 200909-10


Synopsis

Multiple insecure temporary file usage issues have been reported in LMBench, allowing for symlink attacks.

Background

LMBench is a suite of simple, portable benchmarks for UNIX platforms.

Affected packages

-------------------------------------------------------------------
 Package                 /  Vulnerable  /               Unaffected
-------------------------------------------------------------------

1 app-benchmarks/lmbench <= 3 Vulnerable! ------------------------------------------------------------------- NOTE: Certain packages are still vulnerable. Users should migrate to another package if one is available or wait for the existing packages to be marked stable by their architecture maintainers.

Description

Dmitry E. Oboukhov reported that the rccs and STUFF scripts do not handle "/tmp/sdiff.#####" temporary files securely. NOTE: There might be further occurances of insecure temporary file usage.

Impact

A local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application.

Workaround

There is no known workaround at this time.

Resolution

LMBench has been removed from Portage. We recommend that users unmerge LMBench:

# emerge --unmerge app-benchmarks/lmbench

References

[ 1 ] CVE-2008-4968 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4968

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200909-10.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2009 Gentoo Foundation, Inc; referenced text belongs to its owner(s).

The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5