CVE-2016-7054

ChaCha20/Poly1305 heap-buffer-overflow

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.

Affected

OpenSSL

CVSS v3.0 NVD

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

32.39% chance of exploitation in the next 30 days, 98th percentile

Published

2017-05-04

Updated

2024-09-17

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/40899

Security advisories

• https://www.openssl.org/news/secadv/20161110.txt
• http://www.securityfocus.com/bid/94238

References

• CVE Record
• NVD entry