CVE-2019-9895: Buffer Overflow
First published: Thu Mar 21 2019(Updated: )
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/putty | 0.70-6 0.74-1 0.78-2 0.79-1 | |
| PuTTY | <0.71 | |
| OpenGroup Unix | ||
| Fedora | =28 | |
| Fedora | =29 | |
| All of | ||
| PuTTY | <0.71 | |
| OpenGroup Unix |
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Reference Links
- https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-fd-set-overflow.html
- https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=5c926d9ea4a9e0a0a2384f06c7583648cdff3ed6
- https://security-tracker.debian.org/tracker/CVE-2019-9895
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
- https://seclists.org/bugtraq/2019/Apr/6
- https://security.netapp.com/advisory/ntap-20190404-0001/
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
- https://www.debian.org/security/2019/dsa-4423
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
Frequently Asked Questions
What is the vulnerability ID for this PuTTY vulnerability?
The vulnerability ID for this PuTTY vulnerability is CVE-2019-9895.
What is the severity of CVE-2019-9895?
The severity of CVE-2019-9895 is critical with a CVSS score of 9.8.
What is the description of CVE-2019-9895?
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.
What software versions are affected by CVE-2019-9895?
PuTTY versions before 0.71 on Unix are affected by CVE-2019-9895.
How can I fix CVE-2019-9895?
Upgrade to PuTTY version 0.71 or later to fix CVE-2019-9895.
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