Vulnerability CVE-2011-1073
Published: 2011-03-04   Modified: 2012-02-13

Description:
crontab.c in crontab in FreeBSD and Apple Mac OS X allows local users to (1) determine the existence of arbitrary files via a symlink attack on a /tmp/crontab.XXXXXXXXXX temporary file and (2) perform MD5 checksum comparisons on arbitrary pairs of files via two symlink attacks on /tmp/crontab.XXXXXXXXXX temporary files.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
FreeBSD crontab information leakage
Dan Rosenberg
07.03.2011

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Freebsd -> Freebsd 
Apple -> Mac os x 

 References:
http://marc.info/?l=full-disclosure&m=129891323028897&w=2
http://openwall.com/lists/oss-security/2011/02/28/14
http://openwall.com/lists/oss-security/2011/02/28/6
http://securityreason.com/securityalert/8117
http://www.securityfocus.com/archive/1/516716/100/0/threaded
http://www.securityfocus.com/bid/46604
https://exchange.xforce.ibmcloud.com/vulnerabilities/65899
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