CVE-2015-5309: Integer Overflow
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-5309?
CVE-2015-5309 has a high severity rating due to its potential for memory corruption and arbitrary code execution.
How do I fix CVE-2015-5309?
To fix CVE-2015-5309, update PuTTY to version 0.66 or later to mitigate the vulnerability.
What systems are affected by CVE-2015-5309?
CVE-2015-5309 affects PuTTY versions prior to 0.66 and specific versions of openSUSE including 13.1, 13.2, and Leap 42.1.
What type of attack does CVE-2015-5309 enable?
CVE-2015-5309 enables remote attackers to perform denial of service attacks or possibly execute arbitrary code.
Is CVE-2015-5309 a local or remote vulnerability?
CVE-2015-5309 is a remote vulnerability that can be exploited by an attacker from a different location.