maildrop group privilege escalation
| maildrop-group-priv-escalation (55980) |  High Risk |
Description:
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.
*CVSS:
| Base Score: | 6.9 |
| Access Vector: | Local |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 5.4 |
| Exploitability: | Proof-of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of maildrop, available from the maildrop Web site. See References.
References:
- Debian Bug report logs - #564601: possible problems when switching UID/GIDs in delivery mode when run as root.
- Maildrop Web site: maildrop - mail delivery agent with filtering abilities.
- CVE-2010-0301: main.C in maildrop 2.3.0 and earlier, when run by root with the -d option, uses the gid of root for execution of the .mailfilter file in a user's home directory, which allows local users to gain privileges via a crafted file.
- DSA-1981: maildrop -- privilege escalation
- GLSA-201009-02: Maildrop: privilege escalation
- MDVSA-2010:038: maildrop
- OSVDB ID: 61986: maildrop main.C Supplementary Group Local Privilege Escalation
- SA38367: maildrop Privilege Escalation Security Issue
- SECTRACK ID: 1023515: Maildrop Lets Local Users Gain Elevated Group Privileges
Platforms Affected:
- Debian Debian Linux 4.0
- Debian Debian Linux 5.0
- Double Precision Maildrop
- Gentoo Linux
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- Mandriva Enterprise Server 5
- Mandriva Enterprise Server 5 X86_64
Reported:
Jan 10, 2010
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.