Vixie Cron Crontab File Disclosure Vulnerability

BID:13024

Info

Vixie Cron Crontab File Disclosure Vulnerability

Bugtraq ID: 13024
Class: Design Error
CVE: CVE-2005-1038
Remote: No
Local: Yes
Published: Apr 06 2005 12:00AM
Updated: Mar 19 2015 09:42AM
Credit: Discovery is credited to Karol_WiEAsek <[email protected]>.
Vulnerable: SuSE SUSE Linux Enterprise Server 9
SuSE SUSE Linux Enterprise Server 8
+ Linux kernel 2.4.21
+ Linux kernel 2.4.19
SuSE SUSE Linux Enterprise Server 10
SuSE SUSE Linux Enterprise Desktop 10
SuSE Linux Professional 10.2 x86_64
SuSE Linux Personal 10.2 x86_64
SGI ProPack 3.0 SP6
S.u.S.E. UnitedLinux 1.0
S.u.S.E. SuSE Linux Standard Server 8.0
S.u.S.E. SuSE Linux School Server for i386
S.u.S.E. SUSE LINUX Retail Solution 8.0
S.u.S.E. Open-Enterprise-Server 9.0
S.u.S.E. Open-Enterprise-Server 1
S.u.S.E. Office Server
S.u.S.E. Novell Linux Desktop 9.0
S.u.S.E. Novell Linux Desktop 1.0
S.u.S.E. Linux Professional 10.0 OSS
S.u.S.E. Linux Professional 10.0
S.u.S.E. Linux Professional 9.3 x86_64
S.u.S.E. Linux Professional 9.3
S.u.S.E. Linux Professional 9.2 x86_64
S.u.S.E. Linux Professional 9.2
S.u.S.E. Linux Professional 9.1 x86_64
S.u.S.E. Linux Professional 9.1
S.u.S.E. Linux Professional 10.2
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 9.3 x86_64
S.u.S.E. Linux Personal 9.3
S.u.S.E. Linux Personal 9.2 x86_64
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1 x86_64
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 10.2
S.u.S.E. Linux Personal 10.1
S.u.S.E. Linux Openexchange Server
S.u.S.E. Linux Office Server
S.u.S.E. Linux Enterprise Server for S/390 9.0
S.u.S.E. Linux Enterprise Server for S/390
S.u.S.E. Linux Desktop 1.0
S.u.S.E. Linux Database Server 0
S.u.S.E. Linux Connectivity Server
RedHat Enterprise Linux WS 4
RedHat Enterprise Linux WS 3
RedHat Enterprise Linux ES 4
RedHat Enterprise Linux ES 3
RedHat Desktop 4.0
RedHat Desktop 3.0
Red Hat Fedora Core4
Red Hat Fedora Core3
Red Hat Enterprise Linux AS 4
Red Hat Enterprise Linux AS 3
Paul Vixie Vixie Cron 4.1
+ Red Hat Fedora Core3
 Avaya S8710 R2.0.1
Avaya S8710 R2.0.0
Avaya S8700 R2.0.1
Avaya S8700 R2.0.0
Avaya S8500 R2.0.1
Avaya S8500 R2.0.0
Avaya S8300 R2.0.1
Avaya S8300 R2.0.0
Avaya Messaging Storage Server
Avaya Message Networking
Avaya Intuity LX
Not Vulnerable:

Discussion

Vixie Cron Crontab File Disclosure Vulnerability

Vixie cron crontab is reported prone to an information-disclosure vulnerability that may allow local attackers to access users' crontab files.

Reportedly, this issue arises due to a design error resulting in the insecure creation of a temporary file in the '/tmp' directory. This occurs when crontab is executed with the '-e' option used for editing the current crontab.

Attackers may leverage this issue to access potentially sensitive data, which they may use to carry out further attacks against a computer.

Vixie cron 4.1-24_FC3 running on Fedora Core 3 is reported vulnerable. Other versions on different operating systems may be affected as well.

This issue may be specific to Red Hat operating systems and may be related to BID 1845 (HP-UX crontab /tmp File Vulnerability).

Exploit / POC

Vixie Cron Crontab File Disclosure Vulnerability

An exploit is not required.

Solution / Fix

Vixie Cron Crontab File Disclosure Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected]

Please see the referenced advisories for more information and fixes.


Paul Vixie Vixie Cron 4.1

References

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