CVE-2016-10127 PySAML2 XML external entity attack
Remote attackers can exploit XML external entity vulnerabilities in PySAML2 to read sensitive data or cause denial of service via crafted SAML requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-10127?
CVE-2016-10127 is a critical vulnerability in n/a, published on 3 Mar 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
PySAML2 allows remote attackers to conduct XML external entity (XXE) attacks via a crafted SAML XML request or response.
Weakness: CWE-611
Which versions are affected by CVE-2016-10127?
3 open source packages ship an affected version, including pysaml2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pysaml2 PyPI | All versions | 4.5.0 |
pysaml2 PyPI | All versions | 4.5.0 |
pysaml2 PyPI | All versions | 4.5.0 |
Products include Pysaml2 Project Pysaml2.
How do I fix CVE-2016-10127?
Upgrade pysaml2 to 4.5.0 or later.
Is CVE-2016-10127 being exploited?
There is no known exploitation of CVE-2016-10127 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-10127, GHSA-m269-wj6g-c459, PYSEC-2017-67.