Vulnerability 101243 - CERT Civis.Net

Vulnerability Name:

CCN-101243

Published:

2015-02-27

Updated:

2015-02-27

Summary:

PuTTY could allow a local attacker to bypass security restrictions, caused by missing DHE sanity checks. An attacker could exploit this vulnerability to bypass certain security restrictions and perform unauthorized actions.

CVSS v3 Severity:

5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:U/RC:UR)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Consequences:

Bypass Security

References:

Source: CCN
Type: PuTTY Web Site
PuTTY Download Page

Source: CCN
Type: BID-72815
PuTTY DHE Sanity Checks Local Security Bypass Vulnerability

Source: XF
Type: UNKNOWN
putty-sanity-checks-sec-bypass(101243)

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:putty:putty:0.59:*:*:*:*:*:*:*

OR cpe:/a:putty:putty:0.60:*:*:*:*:*:*:*

OR cpe:/a:putty:putty:0.61:*:*:*:*:*:*:*

Denotes that component is vulnerable

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