CVE-2013-4346 SimpleGeo python-oauth2 does not check the nonce allowing replay attacks
Remote attackers can perform replay attacks by exploiting missing nonce verification in the OAuth2 signature validation process.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4346?
CVE-2013-4346 is a medium-severity vulnerability in n/a, published on 20 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Server.verify_request function in SimpleGeo python-oauth2 does not check the nonce, which allows remote attackers to perform replay attacks via a signed URL.
Weakness: CWE-310
Which versions are affected by CVE-2013-4346?
3 open source packages ship an affected version, including oauth2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
oauth2 PyPI | All versions to 1.9rc1 | None |
oauth2 PyPI | All versions to 1.9rc1 | None |
oauth2 PyPI | All versions | 1.9rc1 |
Products include Urbanairship Python-Oauth2.
How do I fix CVE-2013-4346?
Upgrade oauth2 to 1.9rc1 or later.
Is CVE-2013-4346 being exploited?
There is no known exploitation of CVE-2013-4346 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4433-4cxq-vv73, PYSEC-2014-85.