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Alerts This Week
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Gentoo: GLSA-202310-05 Moderate: PuTTY Security Vulnerabilities Detected

gentoo
Calendar Grey June 5, 2016
Dist Gentoo Esm H88
Gentoo has released a security advisory about vulnerabilities in PuTTY that could lead to unauthorized code execution, urging users to upgrade to the latest version and enhance their defenses
Multiple vulnerabilities have been found in PuTTY, the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition

Summary

Multiple vulnerabilities have been discovered in PuTTY. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory denial of service Gentoo update code execution PuTTY

Resolution

All PuTTY users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/putty-0.67"

References

[ 1 ] CVE-2015-5309 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5309 [ 2 ] CVE-2016-2563 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2563

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201606-01
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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: PuTTY: Multiple vulnerabilities
Date: June 05, 2016
Bugs: #565080, #576524
ID: 201606-01

Topics%20covered

Topics Covered

security advisory denial of service Gentoo update code execution PuTTY

Synopsis

Multiple vulnerabilities have been found in PuTTY, the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition.

Background

PuTTY is a telnet and SSH client.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/putty < 0.67 >= 0.67

Impact

===== Stack-based buffer overflow in the SCP command-line utility allows remote servers to execute arbitrary code or cause a denial of service condition via a crafted SCP-SINK file-size response to an SCP download request.

Workaround

There is no known workaround at this time.

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