Vulnerability Information
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Vulnerability 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.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
PuTTY DSA Signature 远程缓冲区错误漏洞
Vulnerability Description
PuTTY是软件开发者Simon Tatham所研发的一套免费的Telnet、Rlogin和SSH客户端软件。该软件主要用于对Linux系统进行远程管理。 PuTTY 0.62及之前版本中的sshbn.c文件中存在缓冲区溢出漏洞。该漏洞源于程序在模逆运算期间没有正确地处理DSA签名。远程SSH服务器端的攻击者可通过借助无效的DSA签名在大数功能出现除零错误期间触发溢出，造成导致拒绝服务（崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A