This update for libtirpc fixes the following issues :

  - CVE-2017-8779: crafted UDP packaged could lead rpcbind     to denial-of-service (bsc#1037559)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for rpcbind fixes the following issues :

  - CVE-2017-8779: A crafted UDP package could lead rcpbind     to remote denial-of-service (bsc#1037559)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update for libtirpc is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The libtirpc packages contain SunLib's implementation of transport-independent remote procedure call (TI-RPC) documentation, which includes a library required by programs in the nfs-utils and rpcbind packages.

Security Fix(es) :

* It was found that due to the way rpcbind uses libtirpc (libntirpc), a memory leak can occur when parsing specially crafted XDR messages.
An attacker sending thousands of messages to rpcbind could cause its memory usage to grow without bound, eventually causing it to be terminated by the OOM killer. (CVE-2017-8779)

Security Fix(es) :

  - It was found that due to the way rpcbind uses libtirpc     (libntirpc), a memory leak can occur when parsing     specially crafted XDR messages. An attacker sending     thousands of messages to rpcbind could cause its memory     usage to grow without bound, eventually causing it to be     terminated by the OOM killer. (CVE-2017-8779)

According to the version of the libtirpc package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - It was found that due to the way rpcbind uses libtirpc     (libntirpc), a memory leak can occur when parsing     specially crafted XDR messages. An attacker sending     thousands of messages to rpcbind could cause its memory     usage to grow without bound, eventually causing it to     be terminated by the OOM killer. (CVE-2017-8779)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the rpcbind package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - It was found that due to the way rpcbind uses libtirpc     (libntirpc), a memory leak can occur when parsing     specially crafted XDR messages. An attacker sending     thousands of messages to rpcbind could cause its memory     usage to grow without bound, eventually causing it to     be terminated by the OOM killer. (CVE-2017-8779)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Fix for CVE-2017-8779

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
100241	SUSE SLED12 / SLES12 Security Update : libtirpc (SUSE-SU-2017:1306-1)	Nessus	SuSE Local Security Checks	5/17/2017	1/6/2021	high
100289	SUSE SLED12 / SLES12 Security Update : rpcbind (SUSE-SU-2017:1328-1)	Nessus	SuSE Local Security Checks	5/19/2017	1/6/2021	high
100291	SUSE SLED12 / SLES12 Security Update : rpcbind (SUSE-SU-2017:1336-1)	Nessus	SuSE Local Security Checks	5/19/2017	1/6/2021	high
100327	CentOS 7 : libtirpc (CESA-2017:1263)	Nessus	CentOS Local Security Checks	5/23/2017	1/4/2021	high
100372	Scientific Linux Security Update : libtirpc on SL6.x i386/x86_64 (20170523)	Nessus	Scientific Linux Local Security Checks	5/24/2017	1/14/2021	high
100373	Scientific Linux Security Update : rpcbind on SL6.x i386/x86_64 (20170523)	Nessus	Scientific Linux Local Security Checks	5/24/2017	1/14/2021	high
100689	EulerOS 2.0 SP1 : libtirpc (EulerOS-SA-2017-1096)	Nessus	Huawei Local Security Checks	6/9/2017	1/6/2021	high
100696	EulerOS 2.0 SP2 : rpcbind (EulerOS-SA-2017-1103)	Nessus	Huawei Local Security Checks	6/9/2017	1/6/2021	high
101635	Fedora 26 : libtirpc (2017-57e8f5ec61)	Nessus	Fedora Local Security Checks	7/17/2017	1/6/2021	high

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