CVE-2015-20110 generator-jhipster allows a timing attack against validateToken due to a string comparison that stops at the first character
Attackers can bypass token validation in JHipster generator via timing attacks, allowing them to guess valid tokens and potentially access protected resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-20110?
CVE-2015-20110 is a high-severity vulnerability in n/a, published on 31 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
JHipster generator-jhipster before 2.23.0 allows a timing attack against validateToken due to a string comparison that stops at the first character that is different. Attackers can guess tokens by brute forcing one character at a time and observing the timing. This of course drastically reduces the search space to a linear amount of guesses based on the token length times the possible characters.
Weakness: CWE-307
Which versions are affected by CVE-2015-20110?
2 open source packages ship an affected version, including generator-jhipster. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
generator-jhipster npm | All versions | 2.23.0 |
generator-jhipster npm | All versions | 2.23.0 |
Products include Jhipster Jhipster.
How do I fix CVE-2015-20110?
Upgrade generator-jhipster to 2.23.0 or later.
Is CVE-2015-20110 being exploited?
There is no known exploitation of CVE-2015-20110 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4gpm-r23h-gprw.