Crontab File Disclosure Vulnerability

BID:2332

Info

Crontab File Disclosure Vulnerability

Bugtraq ID: 2332
Class: Access Validation Error
CVE:
Remote: No
Local: Yes
Published: Jan 23 2001 12:00AM
Updated: Jan 23 2001 12:00AM
Credit: Reported to bugtraq by FreeBSD Security Advisories < [email protected] > on Jan 23, 2001. Kyong-won Cho <[email protected]> is credited with discovery of this vulnerability.
Vulnerable: FreeBSD FreeBSD 4.1.1 -STABLE
FreeBSD FreeBSD 4.1.1 -RELEASE
FreeBSD FreeBSD 4.1.1
FreeBSD FreeBSD 4.1
FreeBSD FreeBSD 4.0 alpha
FreeBSD FreeBSD 4.0
FreeBSD FreeBSD 3.5.1
FreeBSD FreeBSD 3.5
FreeBSD FreeBSD 3.4
FreeBSD FreeBSD 3.3
FreeBSD FreeBSD 3.2
FreeBSD FreeBSD 3.1
FreeBSD FreeBSD 3.0
Debian Linux 2.2
Apple Mac OS X 10.1
Not Vulnerable:

Discussion

Crontab File Disclosure Vulnerability

Versions of cron are vulnerable to a file disclosure vulnerability. Arbitrary files which conform to the crontab format can be read by any local user. These include files having lines which are either blank, or begin with a '#' character.

Exploit / POC

Crontab File Disclosure Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

Crontab File Disclosure Vulnerability

Solution:
FreeBSD patch obtained from OpenBSD (Todd Miller <[email protected]>)


Debian Linux 2.2

FreeBSD FreeBSD 3.0

FreeBSD FreeBSD 3.1

FreeBSD FreeBSD 3.2

FreeBSD FreeBSD 3.3

FreeBSD FreeBSD 3.4

FreeBSD FreeBSD 3.5

FreeBSD FreeBSD 3.5.1

FreeBSD FreeBSD 4.0 alpha

FreeBSD FreeBSD 4.0

FreeBSD FreeBSD 4.1

FreeBSD FreeBSD 4.1.1

References

Crontab File Disclosure Vulnerability

References:
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