Saturday, September 4, 2010

openssl: Double free vulnerability

Users of openssl please be advised of a Double free vulnerability that has been identified.

To view this vulnerability, possible remedies, and others please check out the Security Advisories at Critical Watch (http://criticalwatch.com/support/security-advisories.aspx)

Amplify’d from www.criticalwatch.com
MDVSA-2010:168: [MDVSA-2010:168] openssl
Problem Description:



A vulnerability has been found and corrected in openssl:



Double free vulnerability in the ssl3_get_key_exchange function in

the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7,

and possibly other versions, when using ECDH, allows context-dependent

attackers to cause a denial of service (crash) and possibly execute

arbitrary code via a crafted private key with an invalid prime. NOTE:

some sources refer to this as a use-after-free issue (CVE-2010-2939).
Read more at www.criticalwatch.com
 

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