CVE-2017-1000246 Pysaml2 improperly initializes encryption vector
Attackers can decrypt sensitive data due to IV reuse in pysaml2 IDP server encryption, affecting applications using this library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-1000246?
CVE-2017-1000246 is a medium-severity vulnerability in n/a, published on 17 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.
Weakness: CWE-330
Which versions are affected by CVE-2017-1000246?
3 open source packages ship an affected version, including pysaml2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pysaml2 PyPI | All versions | 4.6.0 |
pysaml2 PyPI | All versions | 4.6.0 |
pysaml2 PyPI | All versions | 4.6.0 |
Products include Pysaml2 Project Pysaml2.
How do I fix CVE-2017-1000246?
Upgrade pysaml2 to 4.6.0 or later.
Is CVE-2017-1000246 being exploited?
There is no known exploitation of CVE-2017-1000246 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-1000246, GHSA-cq94-qf6q-mf2h, PYSEC-2017-26, UBUNTU-CVE-2017-1000246.