Unscored severity · published Apr 22, 2014
CVE-2014-2900
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted…
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CVSS
1%
EPSS
No
On KEV
Description
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CY
Cyassl · Yassl
through 2.9.0; 0.2.0; 0.3.0; 0.4.0; 0.5.0; 0.5.5; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-2900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-2900
seclists.org
http://seclists.org/oss-sec/2014/q2/126
seclists.org
http://seclists.org/oss-sec/2014/q2/130
Vendor Advisory
http://secunia.com/advisories/57743
www.securityfocus.com
http://www.securityfocus.com/bid/66780
Vendor Advisory
http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
www.wolfssl.com
http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
More from Cyassl
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CVE-2014-2899
wolfSSL CyaSSL before 2.9.4 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a request for the peer certificate when a certificate parsing…
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CVE-2013-1623
The TLS and DTLS implementations in wolfSSL CyaSSL before 2.5.0 do not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of…
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CVE-2012-1558
yaSSL CyaSSL before 2.0.8 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted X.509 certificate