Security Advisory SA38700 - cronie "crontab" Race Condition Security Issue

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Secunia Advisory SA38700

cronie "crontab" Race Condition Security Issue

Secunia Advisory

SA38700

Release Date

2010-02-24

Popularity

2,878 views

Comments

0 comments

Criticality level

Not critical

Impact

Privilege escalation

Where

Local system

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Remediation status

Secunia CSI, Secunia PSI

Automated scanning

Secunia CSI, Secunia PSI

Software:

cronie 1.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2010-0424 CVSS score available to Secunia VIM customers

Description

A security issue has been reported in cronie, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

The security issue is caused due to a race condition within crontab when setting mtime and atime values to a temporary file, which can be exploited to reset the mtime and atime values of arbitrary files via symlink attacks.

The security issue is reported in versions prior to 1.4.4.

Solution
Update to version 1.4.4.
Further details available to Secunia VIM customers

Provided and/or discovered by
Red Hat credits Dan Rosenberg.

Original Advisory
Red Hat Bug #565809:
https://bugzilla.redhat.com/show_bug.cgi?id=565809

http://git.fedorahosted.org/git/cronie.git?p=cronie.git;a=commit;h=9e4a8fa5f9171fb724981f53879c9b20264aeb61

Deep Links
Links available to Secunia VIM customers

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Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

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Secunia Advisory SA38700

cronie "crontab" Race Condition Security Issue

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