Lucene search

K
gentooGentoo FoundationGLSA-201606-01
HistoryJun 05, 2016 - 12:00 a.m.

PuTTY: Multiple vulnerabilities

2016-06-0500:00:00
Gentoo Foundation
security.gentoo.org
25

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.021 Low

EPSS

Percentile

89.3%

Background

PuTTY is a telnet and SSH client.

Description

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

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.

Resolution

All PuTTY users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-misc/putty-0.67"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-misc/putty< 0.67UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.021 Low

EPSS

Percentile

89.3%