CVE-2020-7932 OMERO-web Sensitive Data Exposure
Attackers can steal session keys and object IDs via Referer header leakage when users click malicious links in OMERO.web.
- 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-2020-7932?
CVE-2020-7932 is a medium-severity vulnerability in n/a, published on 17 Jun 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
OMERO.web before 5.6.3 optionally allows sensitive data elements (e.g., a session key) to be passed as URL query parameters. If an attacker tricks a user into clicking a malicious link in OMERO.web, the information in the query parameters may be exposed in the Referer header seen by the target. Information in the URL path such as object IDs may also be exposed.
Weakness: CWE-200
Which versions are affected by CVE-2020-7932?
3 open source packages ship an affected version, including omero-web. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
omero-web PyPI | All versions | 5.6.3 |
omero-web PyPI | All versions | 5.6.3 |
omero-web PyPI | All versions | 5.6.3 |
Products include Openmicroscopy Omero.web.
How do I fix CVE-2020-7932?
Upgrade omero-web to 5.6.3 or later.
Is CVE-2020-7932 being exploited?
There is no known exploitation of CVE-2020-7932 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vwxv-frj6-fhc9, PYSEC-2020-244.