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RHSA-2003:245: Updated wu-ftpd packages fix remote vulnerability.

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RHSA-2003:245: Updated wu-ftpd packages fix remote vulnerability.

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
08/27/2003
Created
07/25/2018
Added
10/28/2005
Modified
07/04/2017

Description

Updated wu-ftpd packages are now available that fix a remotely exploitable security issue.

The wu-ftpd package contains the Washington University FTP (File Transfer Protocol) server daemon. FTP is a method of transferring files between computers on a network. An off-by-one bug has been discovered in versions of wu-ftpd up to and including 2.6.2. On a vulnerable system, a remote attacker would be able to exploit this bug to gain root privileges. Red Hat Linux 7.1 and 7.2 contain a version of wu-ftpd that is affected by this bug, although it is believed this issue will not be remotely exploitable due to compiler padding of the buffer targeted for the overflow. Red Hat Linux 7.3 and 8.0 contain a version of wu-ftpd that is remotely exploitable. Red Hat advises all users of wu-ftpd to upgrade to these erratum packages, which contain a security patch and is not vulnerable to this issue. Red Hat would like to thank Wojciech Purczynski and Janusz Niewiadomski of ISEC Security Research for their responsible disclosure of this issue.

Solution(s)

  • redhat-upgrade-wu-ftpd

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