PT-2011-2855 · Vixie Cron · Crontab

Dan Rosenberg · Published 2011-03-04 · Updated 2018-10-09 · CVE-2011-1073

Positive Technologies (AI Summary)

CVSS v2.0

1.9

Low

Base vector

AV:L/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions crontab versions (affected versions not specified)

Description The issue allows local users to determine the existence of arbitrary files via a symlink attack on a /tmp/crontab.XXXXXXXXXX temporary file. Additionally, it enables users to perform MD5 checksum comparisons on arbitrary pairs of files via two symlink attacks on /tmp/crontab.XXXXXXXXXX temporary files.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2011-1073

Affected Products

Crontab

References · 8

• 🔥 http://openwall.com/lists/oss-security/2011/02/28/6 · Exploit
• 🔥 http://marc.info/?l=full-disclosure&m=129891323028897&w=2 · Exploit
• 🔥 http://openwall.com/lists/oss-security/2011/02/28/14 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-1073 · Security Note
• http://securityfocus.com/archive/1/516716/100/0/threaded · Note
• http://securityfocus.com/bid/46604 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/65899 · Note
• http://securityreason.com/securityalert/8117 · Note