- Vulnerabilities 88,289
OpenSSL DoS Vulnerability (20140806) - Linux
Published: 2021-07-19 12:38:23
CVE Author: NIST National Vulnerability Database
CVSS Base Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
Detection Type:
Remote Banner Unreliable
Solution Type:
Vendor Patch
Summary:
OpenSSL is prone to a denial of service (DoS) vulnerability.
Detection Method:
Checks if a vulnerable version is present on the target host.
Technical Details:
A race condition was found in ssl_parse_serverhello_tlsext. If a
multithreaded client connects to a malicious server using a resumed session and the server sends
an ec point format extension, it could write up to 255 bytes to freed memory.
Affected Versions:
OpenSSL version 1.0.0 through 1.0.0m and 1.0.1 through 1.0.1h.
Recommendations:
Update to version 1.0.0n, 1.0.1i or later.
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