PT-2020-7638 · Wolfssl · Cyassl

Ivan Fratric · Published 2020-01-28 · Updated 2020-02-04 · CVE-2014-2896

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions wolfSSL CyaSSL versions prior to 2.9.4

Description The issue is related to the DoAlert function in the TLS and DTLS implementations, allowing remote attackers to trigger memory corruption or an out-of-bounds read. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.

Recommendations For versions prior to 2.9.4, update to version 2.9.4 or later to resolve the issue. As a temporary workaround, consider restricting access to the DoAlert function until a patch is available.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2014-2896

Affected Products

Cyassl

References · 6

• http://wolfssl.com/yaSSL/Docs-cyassl-changelog.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2014-2896 · Security Note
• http://wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html · Vendor Advisory
• http://seclists.org/oss-sec/2014/q2/130 · Note
• http://seclists.org/oss-sec/2014/q2/126 · Note
• https://t.me/cvenotify/521 · Telegram Post