Remote Code Execution Vulnerability in wolfSSL CyaSSL SSL 3
CVE-2014-2897

9.8CRITICAL

Key Information:

Vendor

Wolfssl

Status
Wolfssl
Vendor
CVE Published:
28 January 2020

What is CVE-2014-2897?

The SSL 3 HMAC functionality in wolfSSL CyaSSL prior to version 2.9.4 is vulnerable to a flaw that does not verify padding length upon verification failure. This oversight allows remote attackers to exploit this vulnerability using a crafted HMAC, potentially leading to an out-of-bounds read condition, which could compromise the confidentiality and integrity of the affected system.

References

http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfS...
x_refsource_CONFIRM
http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
x_refsource_CONFIRM
http://seclists.org/oss-sec/2014/q2/126
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.