CVE-2016-7054

Public Exploit
ChaCha20/Poly1305 heap-buffer-overflow

Description

In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are susceptible to a DoS attack by corrupting larger payloads. This can result in an OpenSSL crash. This issue is not considered to be exploitable beyond a DoS.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 25.48% Top 5%
Vendor Advisory openssl.org
Affected: OpenSSL OpenSSL
Published at:
Updated at:

References

Link Tags
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us
http://www.securityfocus.com/bid/94238 third party advisory vdb entry
https://www.openssl.org/news/secadv/20161110.txt patch vendor advisory
https://www.exploit-db.com/exploits/40899/ exploit
http://www.securitytracker.com/id/1037261 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-7054?
CVE-2016-7054 has been scored as a high severity vulnerability.
How to fix CVE-2016-7054?
To fix CVE-2016-7054, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-7054 being actively exploited in the wild?
It is possible that CVE-2016-7054 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~25% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-7054?
CVE-2016-7054 affects OpenSSL OpenSSL.
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