CVE-2015-5309

Severity CVSS v4.0:

Pending analysis

Type:

CWE-189 Numeric Errors

Publication date:

07/12/2015

Last modified:

12/04/2025

Description

Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.

Impact

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:opensuse:leap:42.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.2:::::::*
cpe:2.3:a:simon_tatham:putty::::::::		0.65 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2015-5309

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools