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.
2015-12-07T20:59:08.060
2025-04-12T10:46:40.837
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | opensuse | leap | 42.1 | Yes |
Operating System | opensuse | opensuse | 13.1 | Yes |
Operating System | opensuse | opensuse | 13.2 | Yes |
Application | simon_tatham | putty | ≤ 0.65 | Yes |