CVE-2019-18933
Critical
Description
In Zulip Server versions from 1.7.0 to before 2.0.7, a bug in the new user signup process meant that users who registered their account using social authentication (e.g., GitHub or Google SSO) in an organization that also allows password authentication could have their personal API key stolen by an unprivileged attacker, allowing nearly full access to the user's account.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Zulip Server
PublishedNov 21, 2019
First seenNov 21, 2019
How to fix
Update
- zulip zulip_server2.0.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zulip zulip_server | 1.7.0 ≤ v < 2.0.7 | 2.0.7 |
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