CVE-2013-4347 Information

Description

The (1) make_nonce (2) generate_nonce and (3) generate_verifier functions in SimpleGeo python-oauth2 uses weak random numbers to generate nonces which makes it easier for remote attackers to guess the nonce via a brute force attack.

Reference

http://www.openwall.com/lists/oss-security/2013/09/12/7 http://www.securityfocus.com/bid/62388 https://github.com/simplegeo/python-oauth2/issues/9 https://github.com/simplegeo/python-oauth2/pull/146