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Gentoo: GLSA-202201-24 Critical: RPCBind Service Disruption Alert

gentoo
Calendar Grey November 22, 2016
Dist Gentoo Esm H88
The RPCBind service on Gentoo is vulnerable to a buffer overflow, allowing remote attackers to execute Denial of Service (DoS) attacks, demanding immediate security evaluations and action
A buffer overflow in RPCBind might allow remote attackers to cause a Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow Denial of Service normal severity RPCBind

Resolution

All RPCBind users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-nds/rpcbind-0.2.3-r1"

References

[ 1 ] CVE-2015-7236 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7236

Availability

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

Severity: Normal
Title: RPCBind: Denial of Service
Date: November 22, 2016
Bugs: #560990
ID: 201611-17

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow Denial of Service normal severity RPCBind

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-nds/rpcbind < 0.2.3-r1 >= 0.2.3-r1

Impact

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

Workaround

There is no known workaround at this time.

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