CVE-2001-0559

Description

crontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the failed parsing of a modification operation, which could allow a local attacker to gain additional privileges when an editor is called to correct the error.

Affected products

• paul_vixie / vixie_cron3.0.1

Exploits & proofs of concept

• exploit-dbVixie Cron crontab 3.0 - Privilege Lowering Failure (2)by cairnsc
• exploit-dbVixie Cron crontab 3.0 - Privilege Lowering Failure (1)by Sebastian Krahmer

References

• MISChttp://www.linux-mandrake.com/en/security/2001/MDKSA-2001-050.php3
• VENDOR_ADVISORYhttp://www.novell.com/linux/security/advisories/2001_017_cron_txt.html
• MISChttp://www.securityfocus.com/archive/1/183029
• VENDOR_ADVISORYhttp://www.debian.org/security/2001/dsa-054
• MISChttp://www.securityfocus.com/bid/2687
• MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/6508