CVE-2016-7054

moderate-risk
Published 2017-05-04

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.

Do I need to act?

!
20.9% chance of exploitation in next 30 days
EPSS score — higher than 79% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
40899
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Openssl

References (10)

Third Party Advisory http://www.securityfocus.com/bid/94238
http://www.securitytracker.com/id/1037261
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
https://www.exploit-db.com/exploits/40899/
Patch https://www.openssl.org/news/secadv/20161110.txt
Third Party Advisory http://www.securityfocus.com/bid/94238
http://www.securitytracker.com/id/1037261
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...
https://www.exploit-db.com/exploits/40899/
Patch https://www.openssl.org/news/secadv/20161110.txt
49
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 14/34 · Moderate
Exposure 9/34 · Low