Out-of-Bounds Affecting putty package, versions <0.67-1
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-PUTTY-351097
- published7 Apr 2016
- disclosed7 Apr 2016
Introduced: 7 Apr 2016
CVE-2016-2563 (opens in a new tab)How to fix?
Upgrade Debian:unstable putty to version 0.67-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream putty package and not the putty package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.
References
- https://security-tracker.debian.org/tracker/CVE-2016-2563
- https://security.gentoo.org/glsa/201606-01
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html
- http://seclists.org/fulldisclosure/2016/Mar/22
- http://www.securityfocus.com/bid/84296
- http://www.securitytracker.com/id/1035257
- https://www.exploit-db.com/exploits/39551