Mandrake alert: Updated proftpd packages fix remote root vulnerability
A vulnerability was discovered by X-Force Research at ISS in ProFTPD's handling of ASCII translation. An attacker, by downloading a carefully crafted file, can remotely exploit this bug to create a root shell.
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Mandrake Linux Security Update Advisory
Package name: proftpd
Advisory ID: MDKSA-2003:095-1
Date: December 31st, 2003
Original Advisory Date: September 26th, 2003
Affected versions: 9.1, 9.2
A vulnerability was discovered by X-Force Research at ISS in ProFTPD's
handling of ASCII translation. An attacker, by downloading a carefully
crafted file, can remotely exploit this bug to create a root shell.
The ProFTPD team encourages all users to upgrade to version 1.2.7 or
higher. The problematic code first appeared in ProFTPD 1.2.7rc1, and
the provided packages are all patched by the ProFTPD team to protect
against this vulnerability.
The previous update had a bug where the new packages would terminate
with a SIGNAL 11 when the command "NLST -alL" was performed in
certain cases, such as if the size of the output of the command was
greater than 1024 bytes.
These updated packages have a fix applied to prevent this crash.
Mandrake Linux 9.1:
Mandrake Linux 9.1/PPC:
Mandrake Linux 9.2:
Mandrake Linux 9.2/AMD64:
To upgrade automatically use MandrakeUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.
A list of FTP mirrors can be obtained from:
All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team by executing:
gpg --recv-keys --keyserver http://www.mandrakesecure.net 0x22458A98
Please be aware that sometimes it takes the mirrors a few hours to
You can view other update advisories for Mandrake Linux at:
MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
If you want to report vulnerabilities, please contact
Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team
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