Description
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.
Metrics
CVSS 2.0 4.3/10
AV:N/AC:M/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00099.html
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.htmlVendor Advisory
- http://www.debian.org/security/2015/dsa-3409
- http://www.securitytracker.com/id/1034308
- https://security.gentoo.org/glsa/201606-01
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00099.html
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.htmlVendor Advisory
- http://www.debian.org/security/2015/dsa-3409
- http://www.securitytracker.com/id/1034308
- https://security.gentoo.org/glsa/201606-01
Timeline
- Published
- Dec 7, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified