PT-2020-7639 · Wolfssl · Cyassl

Ivan Fratric · Published 2020-01-28 · Updated 2020-02-04 · CVE-2014-2897

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 2.5.0 through 2.9.3

Description The SSL 3 HMAC functionality does not check the padding length when verification fails, allowing remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.

Recommendations For versions 2.5.0 through 2.9.3, update to version 2.9.4 or later to resolve the issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2014-2897

Affected Products

Cyassl

References · 6

• http://wolfssl.com/yaSSL/Docs-cyassl-changelog.html · Vendor Advisory
• http://wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2014-2897 · Security Note
• https://t.me/cvenotify/522 · Telegram Post
• http://seclists.org/oss-sec/2014/q2/130 · Note
• http://seclists.org/oss-sec/2014/q2/126 · Note