Title: 'unp' File Name Remote Arbitrary Shell Command Injection Vulnerability
Severity: HIGH
Description:
The 'unp' tool is a Perl script to speed up and automate extraction of different archive files.
The application is prone to a remote command-injection vulnerability because it fails to adequately sanitize user-supplied input data. Specifically, the software fails to properly sanitize filenames before passing them as arguments to invoked commands. Attackers can exploit this issue by enticing an unsuspecting victim to use unp to open a file with a specially crafted name.
Successful exploits will allow attackers to execute arbitrary shell commands in the context of the application using unp. This may facilitate the remote compromise of affected computers.
This issue affects unp 1.0.12; other versions may also be affected.
Affected Products:
- 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
- unp unp 1.0.12
References:
- Erich Schubert: #448437 unp: Incomplete filename escaping
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