CVE-2013-4347
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.
View on NVDSeverity
N/A
EPSS
Probability of exploitation (next 30 days): 0.0043 (0.4%)
Percentile: 62.7%
EPSS: 2026-05-06
Affects
urbanairship:python-oauth2Technical 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.
Published: 5/20/2014, 2:55:04 PM
Last modified: 5/6/2026, 10:30:45 PM
References
- 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
- 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