Title: debian-goodies Checkrestart Script Local Privilege Escalation Vulnerability
Severity: HIGH
Description:
The 'debian-goodies' package is a series of command-line tools available for the Debian Linux operating system. The 'checkrestart' utility tries to determine if any processes in the system need to be restarted after a system upgrade.
The software is prone to a local privilege-escalation vulnerability because it fails to sufficiently validate user-supplied data. Specifically, the issue occurs when handling process lists with malformed filenames using the 'checkrestart' script.
An attacker can exploit this issue to execute arbitrary commands with superuser privileges. Successfully exploiting this issue will result in the complete compromise of affected computers.
This issue affects versions prior to debian-goodies 0.34.
Affected Products:
- Debian Linux 3.1.0
- Debian Linux 3.1.0 alpha
- Debian Linux 3.1.0 amd64
- Debian Linux 3.1.0 arm
- Debian Linux 3.1.0 hppa
- Debian Linux 3.1.0 ia-32
- Debian Linux 3.1.0 ia-64
- Debian Linux 3.1.0 m68k
- Debian Linux 3.1.0 mips
- Debian Linux 3.1.0 mipsel
- Debian Linux 3.1.0 ppc
- Debian Linux 3.1.0 s/390
- Debian Linux 3.1.0 sparc
- 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
- Debian debian-goodies 0.27
- Debian debian-goodies 0.33
- 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 6.10 amd64
- Ubuntu Ubuntu Linux 6.10 i386
- Ubuntu Ubuntu Linux 6.10 powerpc
- Ubuntu Ubuntu Linux 6.10 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
References:
- Debian: debian-goodies Homepage
- Thomas de Grenier de Latour: checkrestart: arbitrary root-privileged command execution
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