cadaver heap-based buffer overflow — GLSA 200405-15

There is a heap-based buffer overflow vulnerability in the neon library used in cadaver, possibly leading to execution of arbitrary code when connected to a malicious server.

Affected packages

Package 	net-misc/cadaver on all architectures
Affected versions 	<= 0.22.1
Unaffected versions 	>= 0.22.2

Background

cadaver is a command-line WebDAV client.

Description

Stefan Esser discovered a vulnerability in the code of the neon library (see GLSA 200405-13). This library is also included in cadaver.

Impact

When connected to a malicious WebDAV server, this vulnerability could allow remote execution of arbitrary code with the rights of the user running cadaver.

Workaround

There is no known workaround at this time. All users are advised to upgrade to the latest available version of cadaver.

Resolution

All users of cadaver should upgrade to the latest stable version:

 # emerge sync

 # emerge -pv ">=net-misc/cadaver-0.22.2"
 # emerge ">=net-misc/cadaver-0.22.2"

References

    CAN-2004-0398
    GLSA 200405-13