Out-of-Bounds Read Vulnerability in wolfSSL CyaSSL by wolfSSL
CVE-2014-2898

9.8CRITICAL

Key Information:

Vendor
Wolfssl
Status
Wolfssl
Vendor
CVE Published:
28 January 2020

Summary

The vulnerability in wolfSSL's CyaSSL library prior to version 2.9.4 can be exploited by remote attackers through improper handling of the CyaSSL_read function. This results in an out-of-bounds read, particularly triggered when the return code from certain operations is unchecked, coupled with failures in MAC verification. Attackers can leverage this flaw to gain unauthorized access or execute arbitrary code, highlighting the importance of updating to the latest secure version.

References

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

.