MPFR Library 'printf.c' Multiple Buffer Overflow Vulnerabilities

BID:33945

Info

MPFR Library 'printf.c' Multiple Buffer Overflow Vulnerabilities

Bugtraq ID: 33945
Class: Boundary Condition Error
CVE: CVE-2009-0757
Remote: Yes
Local: No
Published: Mar 02 2009 12:00AM
Updated: May 08 2009 01:06AM
Credit: The vendor disclosed these issues.
Vulnerable: Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
MPFR MPFR 2.4
Gentoo Linux
Not Vulnerable: MPFR MPFR 2.4.1

Discussion

MPFR Library 'printf.c' Multiple Buffer Overflow Vulnerabilities

The MPFR library is prone to multiple buffer-overflow vulnerabilities because it fails to properly bounds-check user-supplied data before copying it into an insufficiently sized buffer.

An attacker can exploit these issues to execute arbitrary code in the context of applications using the vulnerable library. Failed exploit attempts will likely cause denial-of-service conditions.

Versions prior to MPFR 2.4.1 are vulnerable.

Exploit / POC

MPFR Library 'printf.c' Multiple Buffer Overflow Vulnerabilities

Currently we are not aware of any exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

MPFR Library 'printf.c' Multiple Buffer Overflow Vulnerabilities

Solution:
The vendor released MPFR 2.4.1 to address these issues. Please see the references for more information.


Ubuntu Ubuntu Linux 9.04 amd64

Ubuntu Ubuntu Linux 9.04 lpia

Ubuntu Ubuntu Linux 9.04 sparc

Ubuntu Ubuntu Linux 9.04 powerpc

Ubuntu Ubuntu Linux 9.04 i386

MPFR MPFR 2.4

References

MPFR Library 'printf.c' Multiple Buffer Overflow Vulnerabilities

References:

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