GLSA 201611-17: RPCBind: Denial of Service

Severity:normal
Title:RPCBind: Denial of Service
Date:11/22/2016
Bugs: #560990
ID:201611-17

Synopsis

A buffer overflow in RPCBind might allow remote attackers to cause a Denial of Service.

Background

The RPCBind utility is a server that converts RPC program numbers into universal addresses.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-nds/rpcbind < 0.2.3-r1 >= 0.2.3-r1 All supported architectures

Description

A use-after-free vulnerability was discovered in RPCBind’s svc_dodestroy function when trying to free a corrupted xprt->xp_netid pointer.

Impact

A remote attacker could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All RPCBind users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-nds/rpcbind-0.2.3-r1"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201611-17.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!