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CVE-2011-4607

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Date: August 23, 2013

PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive authentication, which might allow local users to read login passwords by obtaining access to the process' memory.

Language: C

Severity Score

Related Resources (5)

http://seclists.org/oss-sec/2011/q4/499
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/password-not-wiped.html
http://seclists.org/oss-sec/2011/q4/500
https://nvd.nist.gov/vuln/detail/CVE-2011-4607
https://www.mend.io/vulnerability-database/CVE-2011-4607

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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