Guido Vranken discovered that incorrect memory management in libtirpc, a transport-independent RPC library used by rpcbind and other programs may result in denial of service via memory exhaustion (depending on memory management settings).

Guido Vranken discovered that incorrect memory management in libtirpc, a transport-independent RPC library used by rpcbind and other programs may result in denial of service via memory exhaustion (depending on memory management settings).

For Debian 7 'Wheezy', these problems have been fixed in version 0.2.2-5+deb7u1.

We recommend that you upgrade your libtirpc packages.

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

Security 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.

The remote Oracle Linux 7 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2017-1262 advisory.

    [0.2.0-38_3]
    - Fixed typo in memory leaks patch (bz 1449462)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update for rpcbind is now available for Red Hat Enterprise Linux 6.

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.

[Updated 16 June 2017] The packages distributed with this errata have a bug that can cause the rpcbind utility to terminate unexpectedly at start. RHBA-2017:1435 was released on 13 June 2017 to address this issue.

The rpcbind utility is a server that converts Remote Procedure Call (RPC) program numbers into universal addresses. It must be running on the host to be able to make RPC calls on a server on that machine.

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)

This update for libtirpc fixes the following issues :

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

This update was imported from the SUSE:SLE-12-SP2:Update update project.

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2017:1267 advisory.

    The rpcbind utility is a server that converts Remote Procedure Call (RPC) program numbers into universal     addresses. It must be running on the host to be able to make RPC calls on a server on that machine.

    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)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote OracleVM system is missing necessary patches to address critical security updates :

  - Fix for CVE-2017-8779 (bz 1449458)

  - tirpc: fix taddr2uaddr for AF_LOCAL (bz 1285144)

  - clnt_vc_create: Do not hold a global mutex during     connect (bz 1332520)

  - Backported upstream debugging (bz 1273158)

  - Fixed memory leak in svc_vc_create (bz 1276687)

  - Fixed memory leak in svc_tli_create (bz 1276855)

  - Fixed memory leak in __svc_vc_dodestroy (bz 1276856)

  - xdr_rejected_reply: Don't crash with invalid server     rejection (bz 982064)

  - Fixed overrun in svcauth_gss_validate (bz 1056809)

  - Added authgss_free_private_data call (bz 1082807)

  - Fixed some races in getnetconfig code (bz 1031498)

  - Remove the installation of libtirpc.a and libtirpc.la     (bz 869397)

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.

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)

Note that Tenable Network Security has attempted to extract the preceding description block directly from the corresponding Red Hat security advisory. Virtuozzo provides no description for VZLSA advisories. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update for rpcbind is now available for Red Hat Enterprise Linux 6.

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.

[Updated 16 June 2017] The packages distributed with this errata have a bug that can cause the rpcbind utility to terminate unexpectedly at start. RHBA-2017:1435 was released on 13 June 2017 to address this issue.

The rpcbind utility is a server that converts Remote Procedure Call (RPC) program numbers into universal addresses. It must be running on the host to be able to make RPC calls on a server on that machine.

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)

Note that Tenable Network Security has attempted to extract the preceding description block directly from the corresponding Red Hat security advisory. Virtuozzo provides no description for VZLSA advisories. 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 6.

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)

Note that Tenable Network Security has attempted to extract the preceding description block directly from the corresponding Red Hat security advisory. Virtuozzo provides no description for VZLSA advisories. 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 Virtualization for ARM 64 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 libtirpc package installed, the EulerOS Virtualization for ARM 64 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.

An update of the rpcbind package has been released.

The remote Ubuntu 16.04 ESM host has a package installed that is affected by a vulnerability as referenced in the USN-4986-2 advisory.

    USN-4986-1 fixed a vulnerability in rpcbind. This update provides the corresponding update for Ubuntu     14.04 ESM and Ubuntu 16.04 ESM.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
100029	Debian DSA-3845-1 : libtirpc - security update	Nessus	Debian Local Security Checks	2017/5/9	2021/1/11	high
100108	Debian DLA-936-1 : libtirpc security update	Nessus	Debian Local Security Checks	2017/5/11	2021/1/11	high
100196	Fedora 25 : rpcbind (2017-ac407781c3)	Nessus	Fedora Local Security Checks	2017/5/16	2021/1/6	high
100341	Oracle Linux 7 : rpcbind (ELSA-2017-1262)	Nessus	Oracle Linux Local Security Checks	2017/5/23	2024/10/23	high
100358	CentOS 6 : rpcbind (CESA-2017:1267)	Nessus	CentOS Local Security Checks	2017/5/24	2021/1/4	high
100366	openSUSE Security Update : libtirpc (openSUSE-2017-608)	Nessus	SuSE Local Security Checks	2017/5/24	2021/1/19	high
100370	RHEL 6 : rpcbind (RHSA-2017:1267)	Nessus	Red Hat Local Security Checks	2017/5/24	2025/4/15	high
100399	OracleVM 3.3 / 3.4 : libtirpc (OVMSA-2017-0108)	Nessus	OracleVM Local Security Checks	2017/5/25	2021/1/4	high
100695	EulerOS 2.0 SP1 : rpcbind (EulerOS-SA-2017-1102)	Nessus	Huawei Local Security Checks	2017/6/9	2021/1/6	high
101467	Virtuozzo 7 : libtirpc / libtirpc-devel (VZLSA-2017-1263)	Nessus	Virtuozzo Local Security Checks	2017/7/13	2021/1/4	high
101470	Virtuozzo 6 : rpcbind (VZLSA-2017-1267)	Nessus	Virtuozzo Local Security Checks	2017/7/13	2021/1/4	high
101471	Virtuozzo 6 : libtirpc / libtirpc-devel (VZLSA-2017-1268)	Nessus	Virtuozzo Local Security Checks	2017/7/13	2021/1/4	high
101609	Fedora 26 : rpcbind (2017-36cba32910)	Nessus	Fedora Local Security Checks	2017/7/17	2021/1/11	high
136270	EulerOS Virtualization for ARM 64 3.0.2.0 : rpcbind (EulerOS-SA-2020-1567)	Nessus	Huawei Local Security Checks	2020/5/1	2024/3/13	high
140963	EulerOS Virtualization for ARM 64 3.0.6.0 : libtirpc (EulerOS-SA-2020-2015)	Nessus	Huawei Local Security Checks	2020/9/29	2024/2/19	high
121697	Photon OS 1.0: Rpcbind PHSA-2017-0017	Nessus	PhotonOS Local Security Checks	2019/2/7	2024/7/23	high
150436	Ubuntu 16.04 ESM : rpcbind vulnerability (USN-4986-2)	Nessus	Ubuntu Local Security Checks	2021/6/10	2024/10/29	high

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