CVE-2021-31866 Information disclosure in n/a
Attackers can recover internal authentication keys via timing side-channels in Redmine, potentially compromising system security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-31866?
CVE-2021-31866 is a medium-severity vulnerability in Debian Debian Linux, published on 28 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController and MailHandlerController.
Weakness: CWE-203
Which versions are affected by CVE-2021-31866?
1 open source package ship an affected version, including redmine. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
redmine Bitnami | All versions | 4.0.9, 4.1.3 |
Products include Debian Debian Linux, Redmine Redmine.
How do I fix CVE-2021-31866?
Upgrade redmine to a fixed version for your release line: 4.0.9 or 4.1.3.
Is CVE-2021-31866 being exploited?
There is no known exploitation of CVE-2021-31866 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-redmine-2021-31866, DEBIAN-CVE-2021-31866, GHSA-gv7v-mp3w-gfvh, UBUNTU-CVE-2021-31866.