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Gentoo: GLSA-201502-05 Critical: Tcpdump Code Execution Risk

gentoo
Calendar Grey February 7, 2015
Dist Gentoo Esm H88
The recent Gentoo security announcement GLSA 202203-04 highlights vulnerabilities in tcpdump which could lead to potential remote code execution or service disruption.
Multiple vulnerabilities in tcpdump could result in execution of arbitrary code or Denial of Service.

Summary

Multiple vulnerabilities have been discovered in tcpdump: * The olsr_print function function contains an integer underflow error (CVE-2014-8767) * The geonet_print function function contains multiple integer underflow errors (CVE-2014-8768) * The decoder for the Ad hoc On-Demand Distance Vector protocol contains an out-of-bounds memory access error (CVE-2014-8769) * The ppp_hdlc function contains a buffer overflow error (CVE-2014-9140)

Topics%20covered

Topics Covered

security advisory critical issue gentoo tcpdump DoS execution risk

Resolution

All tcpdump users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-analyzer/tcpdump-4.6.2-r1"

References

[ 1 ] CVE-2014-8767 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8767 [ 2 ] CVE-2014-8768 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8768 [ 3 ] CVE-2014-8769 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8769 [ 4 ] CVE-2014-9140 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9140

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201502-05
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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
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Severity: Normal
Title: tcpdump: Multiple vulnerabilities
Date: February 07, 2015
Bugs: #534660
ID: 201502-05

Topics%20covered

Topics Covered

security advisory critical issue gentoo tcpdump DoS execution risk

Synopsis

Multiple vulnerabilities in tcpdump could result in execution of arbitrary code or Denial of Service.

Background

tcpdump is a tool for capturing and inspecting network traffic.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/tcpdump < 4.6.2-r1 >= 4.6.2-r1

Impact

===== A remote attacker may be able to send a specially crafted packet, possibly resulting in execution of arbitrary code or a Denial of Service condition.

Workaround

There is no known workaround at this time.

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