Vulnerability in Simon Tatham Putty
CVE-2015-5309
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.035 (89.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Simon Tatham Putty
- openSUSE Leap — versions 42.1
- openSUSE — versions 13.1, 13.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2015/dsa-3409 (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html (vendor-advisory)
- www.securitytracker.com/id/1034308 (vdb-entry)
- www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.html (Vendor Advisory)
- security.gentoo.org/glsa/201606-01 (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2015-11/msg00099.html (vendor-advisory)
Frequently asked questions
- What is CVE-2015-5309?
- CVE-2015-5309 is a vulnerability in Simon Tatham Putty, classified under CWE-189. Published 2015-12-07.
- Is CVE-2015-5309 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.