Rapid7 Vulnerability & Exploit Database

OpenSSL OpenSSL 1.0.2 ClientHello sigalgs DoS (CVE-2015-0291)

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OpenSSL OpenSSL 1.0.2 ClientHello sigalgs DoS (CVE-2015-0291)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/19/2015
Created
07/25/2018
Added
03/20/2015
Modified
11/30/2016

Description

The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.

Solution(s)

  • http-openssl-1_0_2-upgrade-1_0_2_a

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