MM Shared Memory Library Temporary File Privilege Escalation Vulnerability

BID:5352

Info

MM Shared Memory Library Temporary File Privilege Escalation Vulnerability

Bugtraq ID: 5352
Class: Race Condition Error
CVE:
Remote: No
Local: Yes
Published: Jul 29 2002 12:00AM
Updated: Jul 29 2002 12:00AM
Credit: Discovery of this issue is credited to Marcus Meissner and Sebastian Krahmer.
Vulnerable: OSSP mm 1.1.3
+ Debian Linux 3.0
+ HP Secure OS software for Linux 1.0
+ MandrakeSoft Corporate Server 1.0.1
+ MandrakeSoft Single Network Firewall 7.2
+ Mandriva Linux Mandrake 8.2
+ Mandriva Linux Mandrake 8.1 ia64
+ Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.0 ppc
+ Mandriva Linux Mandrake 8.0
+ Mandriva Linux Mandrake 7.2
+ Mandriva Linux Mandrake 7.1
+ Redhat Linux 7.3 i386
+ Redhat Linux 7.2 ia64
+ Redhat Linux 7.2 i386
+ Redhat Linux 7.1 ia64
+ Redhat Linux 7.1 i386
+ Redhat Linux 7.1 alpha
+ Redhat Linux 7.0 i386
+ Redhat Linux 7.0 alpha
+ Redhat Secure Web Server 3.2 i386
+ Slackware Linux 8.1
+ Slackware Linux 8.0
- SuSE Linux 8.0 i386
- SuSE Linux 8.0
- SuSE Linux 7.3 sparc
- SuSE Linux 7.3 ppc
- SuSE Linux 7.3 i386
- SuSE Linux 7.3
- SuSE Linux 7.2 i386
- SuSE Linux 7.2
- SuSE Linux 7.1 x86
- SuSE Linux 7.1 sparc
- SuSE Linux 7.1 ppc
- SuSE Linux 7.1 alpha
- SuSE Linux 7.1
OSSP mm 1.1.2
OSSP mm 1.1.1
+ SuSE Linux 7.0 sparc
+ SuSE Linux 7.0 ppc
+ SuSE Linux 7.0 i386
+ SuSE Linux 7.0 alpha
+ SuSE Linux 7.0
OSSP mm 1.1 .0
OSSP mm 1.0.12
OSSP mm 1.0.11
+ Debian Linux 2.2 sparc
+ Debian Linux 2.2 powerpc
+ Debian Linux 2.2 IA-32
+ Debian Linux 2.2 arm
+ Debian Linux 2.2 alpha
+ Debian Linux 2.2 68k
+ Debian Linux 2.2
OSSP mm 1.0.10
OSSP mm 1.0.9
OSSP mm 1.0.8
OSSP mm 1.0.7
OSSP mm 1.0.6
OSSP mm 1.0.5
OSSP mm 1.0.4
OSSP mm 1.0.3
OSSP mm 1.0.2
OSSP mm 1.0.1
OSSP mm 1.0 .0
Not Vulnerable: OSSP mm 1.2.1
OSSP mm 1.2 .0

Discussion

MM Shared Memory Library Temporary File Privilege Escalation Vulnerability

The MM Shared Memory library is reported to be prone to a race condition with regards to temporary files which may enable a local attacker to gain elevated privileges. This issue may reportedly be exploited by an attacker with shell access as the Apache webserver user to gain root privileges on a vulnerable host.

Exploit / POC

MM Shared Memory Library Temporary File Privilege Escalation Vulnerability

Sebastian Krahmer has released an exploit for vulnerable Apache installations:

Solution / Fix

MM Shared Memory Library Temporary File Privilege Escalation Vulnerability

Solution:
Slackware has released an updated Apache package which is compiled with a fixed version of libmm.

FreeBSD has released a Security Notice FreeBSD-SN-02:05. Users of FreeBSD systems are strongly urged to upgrade their ports tree to fix various reported issues. Further information can be found in the referenced Security Notice.

Fixes are available:


OSSP mm 1.0 .0

OSSP mm 1.0.1

OSSP mm 1.0.10

OSSP mm 1.0.11

OSSP mm 1.0.12

OSSP mm 1.0.2

OSSP mm 1.0.3

OSSP mm 1.0.4

OSSP mm 1.0.5

OSSP mm 1.0.6

OSSP mm 1.0.7

OSSP mm 1.0.8

OSSP mm 1.0.9

OSSP mm 1.1 .0

OSSP mm 1.1.1

OSSP mm 1.1.2

OSSP mm 1.1.3

References

MM Shared Memory Library Temporary File Privilege Escalation Vulnerability

References:

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