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CVE-2015-2157

Good to know:

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Date: March 27, 2015

The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.

Language: C

Severity Score

Related Resources (14)

https://people.canonical.com/~ubuntu-security/cve/CVE-2015-2157
http://www.openwall.com/lists/oss-security/2015/02/28/5
http://www.openwall.com/lists/oss-security/2015/02/28/4
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped-2.html
https://security-tracker.debian.org/tracker/CVE-2015-2157
http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
http://lists.opensuse.org/opensuse-updates/2015-03/msg00032.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151839.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151933.html
https://nvd.nist.gov/vuln/detail/CVE-2015-2157
http://www.debian.org/security/2015/dsa-3190
http://www.securityfocus.com/bid/72825
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151790.html
https://www.mend.io/vulnerability-database/CVE-2015-2157

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

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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