CVE-2013-4206

MediumCVSS 6.8/10Last modified Jun 16, 2026

Description

Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication.

Metrics

CVSS 2.0 6.8/10AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Aug 19, 2013
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2013

CVE-2013-42074.3Buffer 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 CVE-2013-42082.1The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures CVE-2013-42093.3Automatic Bug Reporting Tool (ABRT) before 2.1.6 allows local users to obtain sensitive information about arbitrary files via vectors relate CVE-2013-42105.0The org.jboss.remoting.transport.socket.ServerThread class in Red Hat JBoss Remoting for Red Hat JBoss SOA Platform 5.3.1 GA, Web Platform 5 CVE-2013-42119.8A Code Execution Vulnerability exists in OpenX Ad Server 2.8.10 due to a backdoor in flowplayer-3.1.1.min.js library, which could let a remo CVE-2013-42126.8Certain getText methods in the ActionSupport controller in Apache Roller before 5.0.2 allow remote attackers to execute arbitrary OGNL expre CVE-2013-42136.4Red Hat JBoss Enterprise Application Platform (EAP) 6.1.0 does not properly cache EJB invocations by the EJB client API, which allows remote CVE-2013-42146.3rss-newsfeed.php in Nagios Core 3.4.4, 3.5.1, and earlier, when MAGPIE_CACHE_ON is set to 1, allows local users to overwrite arbitrary files CVE-2013-42154.4The IPXPING_COMMAND in contrib/check_ipxping.c in Nagios Plugins 1.4.16 allows local users to gain privileges via a symlink attack on /tmp/i CVE-2013-42162.1The Trace_OpenLogFile function in InfraStack/OSDependent/Linux/InfraStackModules/TraceModule/TraceModule.c in the Trace module in the Intel CVE-2013-42172.1The OSAL_Crypt_SetEncryptedPassword function in InfraStack/OSDependent/Linux/OSAL/Services/wimax_osal_crypt_services.c in the OSAL crypt mod CVE-2013-42182.1The InitMethodAndPassword function in InfraStack/OSAgnostic/WiMax/Agents/Supplicant/Source/SupplicantAgent.c in the Intel WiMAX Network Serv