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PYSEC-2014-86

Quick fix

PYSEC-2014-86 — oauth2: upgrade to the fixed version with the command below.

pip install --upgrade 'oauth2>=1.9rc1'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/oauth2

Introduced in: 0Fixed in: 1.9rc1

Fixpip install --upgrade 'oauth2>=1.9rc1'

References

https://github.com/simplegeo/python-oauth2/issues/9[REPORT]
https://github.com/simplegeo/python-oauth2/pull/146[WEB]
http://www.openwall.com/lists/oss-security/2013/09/12/7[WEB]
http://www.securityfocus.com/bid/62388[WEB]
https://github.com/advisories/GHSA-rv8h-p43r-4x5r[ADVISORY]