CVE-2016-7054: ChaCha20/Poly1305 heap-buffer-overflow
First published: Thu May 04 2017(Updated: )
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.
Credit: openssl-security@openssl.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSL libcrypto | =1.1.0 | |
| OpenSSL libcrypto | =1.1.0a | |
| OpenSSL libcrypto | =1.1.0b |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-7054?
CVE-2016-7054 is classified as a denial of service vulnerability.
How do I fix CVE-2016-7054?
To mitigate CVE-2016-7054, upgrade OpenSSL to version 1.1.0c or later.
What impact does CVE-2016-7054 have on affected software?
CVE-2016-7054 can cause affected OpenSSL versions to crash during TLS connections with certain ciphersuites.
Which versions of OpenSSL are affected by CVE-2016-7054?
CVE-2016-7054 affects OpenSSL versions 1.1.0 through 1.1.0b.
Is CVE-2016-7054 remotely exploitable?
CVE-2016-7054 is not considered exploitable beyond causing a denial of service.
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