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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2013-4207 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
http://secunia.com/advisories/54379 Vendor Advisory 
http://secunia.com/advisories/54379 Vendor Advisory 
http://secunia.com/advisories/54533
http://secunia.com/advisories/54533
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html Vendor Advisory 
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html Vendor Advisory 
http://www.debian.org/security/2013/dsa-2736
http://www.debian.org/security/2013/dsa-2736
http://www.openwall.com/lists/oss-security/2013/08/06/11
http://www.openwall.com/lists/oss-security/2013/08/06/11

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

22 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-4207
NVD Published Date:
08/19/2013
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.