Title: Python 'stringobject.c' Multiple Remote Buffer Overflow Vulnerabilities
Severity: HIGH
Description:
Python is an interpreted dynamic object-oriented programming language available for many operating systems.
Python is prone to multiple remote buffer-overflow vulnerabilities because it fails to sufficiently verify user-supplied data. Specifically, these issues affect the 'Objects/stringobject.c' source file of the core API. The 'size' parameter passed to the following functions isn't properly checked for signedness, which can result in memory misallocation:
PyString_FromStringAndSize()
PyBytes_FromStringAndSize()
PyUnicode_FromStringAndSize()
An attacker can exploit these issues to execute arbitrary code with the privileges of the user running an application that uses the affected functions. Failed exploit attempts will result in a denial-of-service condition.
This issue affects Python 2.5.2; earlier versions may also be vulnerable.
Affected Products:
- Apple Mac OS X 10.4.0
- Apple Mac OS X 10.4.1
- Apple Mac OS X 10.4.10
- Apple Mac OS X 10.4.11
- Apple Mac OS X 10.4.11
- Apple Mac OS X 10.4.2
- Apple Mac OS X 10.4.3
- Apple Mac OS X 10.4.4
- Apple Mac OS X 10.4.5
- Apple Mac OS X 10.4.6
- Apple Mac OS X 10.4.7
- Apple Mac OS X 10.4.8
- Apple Mac OS X 10.4.9
- Apple Mac OS X 10.5
- Apple Mac OS X 10.5.1
- Apple Mac OS X 10.5.2
- Apple Mac OS X 10.5.3
- Apple Mac OS X 10.5.4
- Apple Mac OS X 10.5.5
- Apple Mac OS X Server 10.4.0
- Apple Mac OS X Server 10.4.1
- Apple Mac OS X Server 10.4.10
- Apple Mac OS X Server 10.4.11
- Apple Mac OS X Server 10.4.11
- Apple Mac OS X Server 10.4.2
- Apple Mac OS X Server 10.4.3
- Apple Mac OS X Server 10.4.4
- Apple Mac OS X Server 10.4.5
- Apple Mac OS X Server 10.4.6
- Apple Mac OS X Server 10.4.7
- Apple Mac OS X Server 10.4.8
- Apple Mac OS X Server 10.4.9
- Apple Mac OS X Server 10.5
- Apple Mac OS X Server 10.5.1
- Apple Mac OS X Server 10.5.2
- Apple Mac OS X Server 10.5.3
- Apple Mac OS X Server 10.5.4
- Apple Mac OS X Server 10.5.5
- Apple Mac OS X Server 10.5.6
- Debian Linux 4.0
- Debian Linux 4.0 alpha
- Debian Linux 4.0 amd64
- Debian Linux 4.0 arm
- Debian Linux 4.0 hppa
- Debian Linux 4.0 ia-32
- Debian Linux 4.0 ia-64
- Debian Linux 4.0 m68k
- Debian Linux 4.0 mips
- Debian Linux 4.0 mipsel
- Debian Linux 4.0 powerpc
- Debian Linux 4.0 s/390
- Debian Linux 4.0 sparc
- Gentoo Linux
- Linux kernel 2.6.5
- Novell Linux Desktop 9
- Novell Linux POS 9
- Novell Open Enterprise Server (OES)
- Python Software Foundation Python 2.5.2
- RedHat Desktop 3.0.0
- RedHat Enterprise Linux 5 server
- RedHat Enterprise Linux AS 3
- RedHat Enterprise Linux AS 4
- RedHat Enterprise Linux Desktop 5 client
- RedHat Enterprise Linux Desktop Workstation 5 client
- RedHat Enterprise Linux Desktop version 4
- RedHat Enterprise Linux ES 3
- RedHat Enterprise Linux ES 4
- RedHat Enterprise Linux WS 3
- RedHat Enterprise Linux WS 4
- S.u.S.E. Linux 10.1 ppc
- S.u.S.E. Linux 10.1 x86
- S.u.S.E. Linux 10.1 x86-64
- S.u.S.E. Linux Desktop 10
- S.u.S.E. Linux Enterprise Desktop 10 SP1
- S.u.S.E. Linux Enterprise Desktop 10 SP2
- S.u.S.E. Linux Enterprise Desktop 10 SP2
- S.u.S.E. Linux Enterprise SDK 10
- S.u.S.E. Linux Enterprise SDK 10 SP1
- S.u.S.E. Linux Enterprise Server 10
- S.u.S.E. Linux Enterprise Server 10.SP1
- S.u.S.E. Linux Personal 10.2
- S.u.S.E. Linux Personal 10.2 x86_64
- S.u.S.E. Linux Professional 10.2
- S.u.S.E. Linux Professional 10.2 x86_64
- S.u.S.E. Novell Linux Desktop 9
- S.u.S.E. Novell Linux Desktop 9.0.0
- S.u.S.E. Novell Linux Desktop SDK 9.0.0
- S.u.S.E. Novell Linux POS 9
- S.u.S.E. SLE SDK 10
- S.u.S.E. SLE SDK 10 SP2
- S.u.S.E. SLE SDK 10.SP1
- S.u.S.E. SLE SDK 9
- S.u.S.E. SUSE LINUX Retail Solution 8.0.0
- S.u.S.E. SUSE Linux Enterprise 10 SP1 DEBUGINFO
- S.u.S.E. SUSE Linux Enterprise 10 SP1 DEBUGINFO
- S.u.S.E. SUSE Linux Enterprise 10 SP2 DEBUGINFO
- S.u.S.E. SUSE Linux Enterprise Desktop 10
- S.u.S.E. SUSE Linux Enterprise Desktop 10 SP1
- S.u.S.E. SUSE Linux Enterprise Desktop 10 SP2
- S.u.S.E. SUSE Linux Enterprise Server 10
- S.u.S.E. SUSE Linux Enterprise Server 10 SP1
- S.u.S.E. SUSE Linux Enterprise Server 10 SP2
- S.u.S.E. SuSE Linux Openexchange Server 4.0.0
- S.u.S.E. SuSE Linux School Server for i386
- S.u.S.E. SuSE Linux Standard Server 8.0.0
- S.u.S.E. UnitedLinux 1.0.0
- S.u.S.E. openSUSE 10.2
- S.u.S.E. openSUSE 10.3
- S.u.S.E. openSUSE 11.0
- SuSE Linux 9
- SuSE SLE SDK 10.SP1
- SuSE SLE SDK 10.SP2
- SuSE SLED 10.SP1
- SuSE SLED 10.SP2
- SuSE SLES 10.SP1
- SuSE SLES 10.SP2
- Ubuntu Ubuntu Linux 6.06 LTS amd64
- Ubuntu Ubuntu Linux 6.06 LTS i386
- Ubuntu Ubuntu Linux 6.06 LTS powerpc
- Ubuntu Ubuntu Linux 6.06 LTS sparc
- Ubuntu Ubuntu Linux 7.04 amd64
- Ubuntu Ubuntu Linux 7.04 i386
- Ubuntu Ubuntu Linux 7.04 powerpc
- Ubuntu Ubuntu Linux 7.04 sparc
- Ubuntu Ubuntu Linux 7.10 amd64
- Ubuntu Ubuntu Linux 7.10 i386
- Ubuntu Ubuntu Linux 7.10 lpia
- Ubuntu Ubuntu Linux 7.10 powerpc
- Ubuntu Ubuntu Linux 7.10 sparc
- Ubuntu Ubuntu Linux 8.04 LTS amd64
- Ubuntu Ubuntu Linux 8.04 LTS i386
- Ubuntu Ubuntu Linux 8.04 LTS lpia
- Ubuntu Ubuntu Linux 8.04 LTS powerpc
- Ubuntu Ubuntu Linux 8.04 LTS sparc
References:
- Apple: About the security content of Security Update 2009-001
- Novell: Novell Advisory: Python 20080801
- Python: Issue2587: PyString_FromStringAndSize() to be considered unsafe
- Python Software Foundation: Python Homepage
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