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Status published
Medium
CVE-2015-5309
Integer overflow in the terminal emulator in PuTTY before 0.66...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.debian.org/security/2015/dsa-3409
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html
- http://www.securitytracker.com/id/1034308
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.html
- https://security.gentoo.org/glsa/201606-01
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00099.html
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Affected Vendor
opensuse
View all reports →Affected Software
leap, opensuse, putty
Vulnerable Versions:
42.1, 13.1, 13.2, 0
Timeline
Official Publish:
December 7th, 2015
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.