Maildrop Local Users Gain Elevated Group Privileges

2010.02.06

Credit: Steffen Joeris

Risk: High

Local: Yes

Remote: No

CVE: CVE-2010-0301

CWE: CWE-264

CVSS Base Score: 6.9/10

Impact Subscore: 10/10

Exploitability Subscore: 3.4/10

Exploit range: Local

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

maildrop could allow a local attacker to gain elevated privileges, caused by improper restrictions set on supplementary groups when compiled without RESET_GID. A local attacker could exploit this vulnerability to gain elevated privileges and perform arbitrary tasks on the application with root privileges.

References:

https://bugzilla.redhat.com/show_bug.cgi?id=559681

http://xforce.iss.net/xforce/xfdb/55980

http://www.debian.org/security/2010/dsa-1981

http://www.courier-mta.org/maildrop/changelog.html

http://securitytracker.com/id?1023515

http://secunia.com/advisories/38374

http://secunia.com/advisories/38367

http://marc.info/?l=oss-security&m=126468618017829&w=2

http://marc.info/?l=oss-security&m=126468551017070&w=2

http://marc.info/?l=oss-security&m=126468324913920&w=2

http://marc.info/?l=oss-security&m=126462927918840&w=2

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=564601

See this note in RAW Version

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Maildrop Local Users Gain Elevated Group Privileges

References:

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