What is the severity of CVE-2013-4207?

The severity of CVE-2013-4207 is classified as high due to its potential to cause a denial of service.

How do I fix CVE-2013-4207?

To fix CVE-2013-4207, update PuTTY to version 0.63 or later which addresses the buffer overflow issue.

What software is affected by CVE-2013-4207?

CVE-2013-4207 affects various versions of PuTTY prior to 0.63 including versions 0.45 through 0.62.

What is the exploit type for CVE-2013-4207?

CVE-2013-4207 exploits a buffer overflow vulnerability that can lead to application crashes.

Can CVE-2013-4207 be exploited remotely?

Yes, CVE-2013-4207 can be exploited remotely by sending an invalid DSA signature to vulnerable PuTTY versions.

Vulnerability/
CVE-2013-4207

medium

4.3

CWE

119

19/8/2013

6/8/2024

CVE-2013-4207: Buffer Overflow

First published: Mon Aug 19 2013(Updated: )

Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
PuTTY	=0.45
PuTTY	=0.46
PuTTY	=0.47
PuTTY	=0.48
PuTTY	=0.49
PuTTY	=0.50
PuTTY	=0.51
PuTTY	=0.52
PuTTY	=0.53b
PuTTY	=0.54
PuTTY	=0.55
PuTTY	=0.56
PuTTY	=0.57
PuTTY	=0.58
PuTTY	=0.59
PuTTY	=0.60
PuTTY	=0.61
PuTTY	=2010-06-01-r8967
PuTTY	<=0.62
PuTTY	=0.53

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2013-4207?
The severity of CVE-2013-4207 is classified as high due to its potential to cause a denial of service.
How do I fix CVE-2013-4207?
To fix CVE-2013-4207, update PuTTY to version 0.63 or later which addresses the buffer overflow issue.
What software is affected by CVE-2013-4207?
CVE-2013-4207 affects various versions of PuTTY prior to 0.63 including versions 0.45 through 0.62.
What is the exploit type for CVE-2013-4207?
CVE-2013-4207 exploits a buffer overflow vulnerability that can lead to application crashes.
Can CVE-2013-4207 be exploited remotely?
Yes, CVE-2013-4207 can be exploited remotely by sending an invalid DSA signature to vulnerable PuTTY versions.

agent/references
agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/author
agent/description
agent/first-publish-date
agent/event
agent/source
agent/weakness
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/putty
canonical/putty
version/putty/0.45
version/putty/0.46
version/putty/0.47
version/putty/0.48
version/putty/0.49
version/putty/0.50
version/putty/0.51
version/putty/0.52
version/putty/0.53b
version/putty/0.54
version/putty/0.55
version/putty/0.56
version/putty/0.57
version/putty/0.58
version/putty/0.59
version/putty/0.60
version/putty/0.61
version/putty/2010-06-01-r8967
vendor/simon tatham
version/putty/0.62
version/putty/0.53

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Frequently Asked Questions

What is the severity of CVE-2013-4207?
The severity of CVE-2013-4207 is classified as high due to its potential to cause a denial of service.
How do I fix CVE-2013-4207?
To fix CVE-2013-4207, update PuTTY to version 0.63 or later which addresses the buffer overflow issue.
What software is affected by CVE-2013-4207?
CVE-2013-4207 affects various versions of PuTTY prior to 0.63 including versions 0.45 through 0.62.
What is the exploit type for CVE-2013-4207?
CVE-2013-4207 exploits a buffer overflow vulnerability that can lead to application crashes.
Can CVE-2013-4207 be exploited remotely?
Yes, CVE-2013-4207 can be exploited remotely by sending an invalid DSA signature to vulnerable PuTTY versions.