VulnerabilityModified
CVE-2015-6925
wolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message.
HIGH 7.5EPSS 2.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
wolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.72% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- wolfssl/wolfssl
- Source
- cve@mitre.org
References
- http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html
- https://github.com/IAIK/wolfSSL-DoSExploit
- https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.htmlExploit, Vendor Advisory
- http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html
- https://github.com/IAIK/wolfSSL-DoSExploit
- https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.htmlExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.